Summary of Solid State Questions - PDF

EXAMs IN PREVIOUS BOARD ASKED SUMMARY OF QUESTIONS sOLID STATE 1 solid. (March...

EXAMs IN PREVIOUS BOARD ASKED SUMMARY OF QUESTIONS sOLID STATE 1 solid. (March 2013, 2014, 2017) (2) between crystalline solid and amorphous (1) Distinguish of 19.30 kg dm, (March 2013) (2) face centered cube and has a density (2) Gold occurs as 197) Calculate atomic radius of gold. (Molar mass of Au of crystal which has face-centered (3) number of atoms present in 2 gram (Oct. 2013) (3) Calculate the of 100 pm and density 10 gcm, (2) lattice having edge length (Oct. 2013) cubic (fcc) crystal defect? (4) What Schottky defect and Frenkel are has density of 8.966 g. cm. (5) Face centered cubic crystal lattice of copper is 63.5 g. mol and Given molar mass of copper (3) Calculate the volume of the unit cell. (IMarch 2014) is 6.022 x 1023. Avogadro number N and density 7.86 g.cm-3, Find the (6) crystal has edge length 288 pm A unit cell of iron number of atoms per unit cell and type of the crystal lattice. (Oct. 2014) (3) Number, N 6.022 10] x Given: Molar m a s s ofiron 56 g.mol. Avogadro's (March 2015) (2) stainless steel with diagram. (7) Explain impurity defect in centered cube (BCC) and has density of 8.55 kg/dm", (March 2015) (3) (8) Niobium crystallises as body Atomic mass of niobium 93). = Calculate the atomic niobium. radius of (Given: of the unit cell F.C.C. (face-centered cubic crystal) structure. The edge length (9) Silver crystallises in is found to be 408.7 pm. Calculate density of the unit cell. (Oct. 2015) (3) Given: Molar mass of silver is 108 g. mo1 (March 2016) (2) ferromagnetic. Explain. (10) What is ferromagnetism? Iron (Z 26) strongly is = silver is 10.51 g.cm3, calculate the volume of unit cell. (11) Silver crystallises in FCC structure. If density of (March 2016) (3) Atomic mass of silver (Ag) = 108 g. mot'] (July 2016) (2) consists of how many atoms? Explain. (12) A face centered cube (FCC) structure with the edge length chloride which crystallizes in BCC type (13) Determine the density of Cesium the co-ordination number of masses of Cs and Cl a r e 133 and 35.5 respectively. Predict 412.1 pm. The atomic (July 2016) (3) 1.81 A. Cs ion if rcs1.69 A and rc = in case of simple cubic cell. (IMarch 2017) (2) (14) Calculate the percentage eficiency of packing different types: (15) Classify the following molecular solids into (4) Diamond. (July 2017) (2) (a) Ammonium phosphate (b) Brass (c) Sg molecule A metal crystallises into two cubic faces namely face centered (FcC) and body centered (BCC)," (16) whose unit cell edge lengths are 3.5 A and 3.0 A respectively. Find the ratio of the densities of (Fuly 2017) (3) FCC and BCC.. Calculate the number of atoms in a unit cell of a metal crystallising face in centered cubic structure. (2) (17) (March 2018) (2) (18) lonic solids are hard and brittle. Explain. 2.8 A and atomic mass is 56 gram (19) The density of iron crystal is 8.54 gram cmS, If the edge length of unit cell is mol, find the number of atoms in the unit cel. Given: Avogadro's number = 6.022 x 1023, 1 Å =1 x 10-3 cm t (March 2018) (3) (20) Classify the following molecular solids into different types: (a) HC1 (b) CO (c) Solid ice (d) SO (July 2018) (2) (21) The density of silver having atomic mass 107.8 gram moll is 10.8 gram cm3. If the edge length of cubic unit cell is 4.05x 108 cm, find the number of silver atoms in the unit cell. (N6.022 x 1023, 1A =10-8 cm) (July 2018)(3) (22) What is the ratio of octahedral holes to the number of anions in hexagonal closed packed structure? (March 2019) (1) (23) Define Anisotropy. Distinguish between crystalline solids and amorphous solids. (March 2019) (3) (24) Classify the following into different types: (a) Silver (b) P4 (c) Diamond (d) NaCl (March 2020) (2) (25) Unit cell of a metal has edge length of 288 pm and density of 7.86 g cm Determine the type of crystal lattice. (Atomic mass of metal = 56 gmol-l) (March 2020) (3) (26) What is the coordination number of atoms in simple cubic crystal lattice? (Sept. 2021) (1) (27) A compound forms hexagonal close packed (hcp) structure. What is the number of (1).Octahedral voids (ii) Tetrahedral voids (i) Total voids formed in 0.4 mol ofit? (Sept. 2021) (3) (28) Write the consequences of Schottky defect with reasons. (March 2022) (2) (29) Gold crystallises into face-centred cubic cells. The edge length of unit cell is 4.08 x 10-5 cm. Calculate the density of gold. [Molar mass of gold 197 gmol-1] (March 2022) (2) (30) Explain metal deficiency defect with example. (March 2022) (2) (134).mmary ofBoaraQuestions 135 (1) State andand explain van't Hoff-Boyle's law. 2 sOLUTIONS (IMarch 2008) (2) 'Colligative properties. Define (Oct. 20o8) (1) (2) I s o t o n i c solution'. 13) Define (IMarch 2009, Oct. 2013) (1) van't Hoff-Avogadro's law. (IMarch 2009) (1) State Define: Ebullioscopic constant'. (Oct. 2009) (1) (5) 6) Define ' S o l u t i o n '. (1) (Oct. 2009; 2011) March efine osmotic pressure. Derive an equation for determination ire. of molecular weight from osmotic pre (Oct. 2010) (2) e f n e a solution. Explain the terms solute and solvent. (March 2011) (2) Derive the relationship between relative lowering of vapour pressure and molar mass of solute. non-vola2013, 2017) (2) (March (10) Define osmosis. (IMarch 2013) (1) 11) State Henrys 1aow does solubility of a gas in water varies with the temperature? (Oct. 2013; July 2017)(2 What is boiling point? (1) (12) (March 2013) the (13) Calculate th amount of CaClh (van't Hoff factor, i = 2.47) dissolved in 2.5 L solution so that its osmotic pressure at 300K is 0.75 atmosphere. tGiven: Molar maSs of Cacl2 is 111 g. mot', R 0.082L. atm K1 mot'] = (March 2014) (3) (14) Explain, why do aquatic animals prefer to stay at lower level of water ring summer? (March 2014) (2) (15) A solution contanings g of camphor (molar mass 152 g.mol-) in 36.8 g of acetone (boiling point 56.3c) b o i l s at 56.55C. A solution of 0.564 g of unknown compound in the same weight of acetone boils at oo*o 46°C. Calculate the molar mass of the unknown compound. (Oct. 2014) (3) I Define van't Hoff factor. How is it related to the degree of dissociation? (Oct. 2014) (2) Define: Cryoscopic constant. (17) (Oct. 2014, July 2018) (1) (18) Derive vani Hoff neral solution equation. (March 2015, 2019; July 2017) (2) 191 1.0x 10 kg of urea when dissolved in 0.0985 kg of a solvent, decreases freezing point of the solven by 0.211 K 1.6* 10 kg of another non-electrolyte solute when dissolved in 0.086 g of the same solvent depresses the freezing point by 0.34 K. Calculate the molar mass of the another solute. Given: Molar mass ofurea = 60] (March 2015) (3) (20) Define ebullioscopic constant. Write its unit. e (Oct 2015) (2) 21) What is the effect of temperature on solubility of gas in a liquid?ruate (Oct 2015) (2) (22) Defne boiling point. Write the formula to determine molar mass of a solute using freezing point depression method,gasmrsi (IMarch 2016) (2) (23) The vapour pressure of pure benzene is 640 mm of Hg. 2.175 x 10-3 kg of non-volatile solute is added to 39 gram of benzene, the vapour pressure of solution is 600 mm of Hg. Calculate molar mass of solute. [C 12, H 1]..(March 2016) (3) (24) Why is molality of a solution independent of temperature? (IMarch 2016) (1) (25) Define: (a) Osmosis (b) Freezing point.. (July 2016) (2) (26) 3.795g of sulphur is dissolved in 100 g of CS, This solution boils at 319.81 K. What is the molecular formula of sulphur in solution? The boiling point of CS, is 319.45 K. b sóawsne Given that K,for CS, 2.42 K kg moll and atomic mass of S-32.)is eo (July2016) (3) (27) State Henry's law. nriti ol e u l y 2016) (1) (28) A solution of a substance having mass 1.8 x 10-3 kg has the osmotic pressure of 0.52 atm at 280K. Calculate the molar mass of the substance used. Volu = 1 dm3, R 8.314 JK1 mot- (March 2017) (2) (29) The boiling point of benzene is.353.23 K. When 1.80 gram of non-volatile solute was dissolved in 90 gram of benzene. The boiling point is raised to 354.11 K. Calculate the molar mass of solute. [K,for benzene = 2.53 K mol-] (IMarch 2017) (2) (30) Define: Osmotic pressure. July2017) (1) (81) An organic substance (M = 169 gram mol-) is dissolved in 2000 cm3 of water. Its osmotic pressure at 12°C was found to be 0.54 atm. IfR =0.0821 L atm. K-l mol, calculate the mass of the solute. (July 2017) (2) 2) Derive the relation between elevation of boiling point and molar mass of solute. (2) (33) Define: Semipermeable membrane. (2) o 22.22 gram of urea was dissolved in 300 grams of water. Calculate the number of moles o f urea and molality of the u r e a solution. (Given: Molar mass of u r e a = 60 gram m o l ) (July 2017) (2)) 136 UTTAM's XII Chemistry Papers Solutio ion (85) What is freezing point of a liquid? The freezing point of pure benzene is 278.4 K. a c ireezing point of the solution when 2.0 gram of a solute having molecular weignt io E added to 100 gram of benzene. (July 2o18) (36) Define the following terms: [K, for benzene 5.12 kg mot "| (3) Isotonic solution(1) Hypertonic solution )What is the concentration of dissolved oxygen at(li) Hypotonic solution (March 2019) (3 (S 50°C under pressure of one atmospnere if partial pressure of oxygen at 50°C' is 0.14 atm. Henry's law constant for oxugen 1.3 x 10-3 mol dm-3 atm) (IMarch 2020) (2) (38) Define: (a) Molality (b) Osmotic pressure. (March 2020) (2) (s9) Derive the mathematical expression between molar mass of a non-volatile solute ana elevation of boiling point. State and explain van't Hoff- Avogadro's law. (March 2020) (4) (40) Define 'Cryoscopic constant'. Derive the relation between elevation of boiling point an molar mass of solute. (Sept. 2021) (3) ( e l ) w h a t is the molar mass of a solute if a s o l u t i o n p r e p a r e d by dissolving 0.822 8 Or 1t i. (Sept. 2021) (3) (42) 0.3 dm of water has osmotic pressure of 0.196 atm. at 298 K? an Derive an expression to calculate molar mass of non volatile solute by osmotic pressurc measurement. (IMarch 2022) (2) (43) Henry's law constant for CH,Br is 0.159 mol dm-3 bar-! at 25°C. What i s solubility or CH,Br in water at same temperature and partial pressure of 0. 164 bar ? (March 2022) (2) (44) Define the following terms : (1) Isotonic solution (ii) Osmosis. (IMarch 2022) (2) (1) Derive the relationship between pH and pOH. 3 IONIC EQUILIBRIA (Sept. 2021, March 2022) (2) (2) Define Solubility product'. Derive the relationship between solubility and solubility product for Pbl. (Sept. 2021) (3) (3) Calculate the pH of buffer solution composed of o.01 M weak base BOH and 0.02 M of its salt BA. [K,= 1.8 x 10-5 for weak base] (March 2022) (3) 4 CHEMICAL THERMODYNAMICCS (IMMarch 2008) (1) Give one statement of first law of thermodynamics and give its corollary. (2) (2) State and explain Hess's law of constant heat summation and give its four applications. (IMarch 2008; Oct. 2008) (4) (3) Derive the relationship between the heat of reaction at constant pressure and at constant volume. (Oct. 2008) (2) 14) Prove that, AH A E + AnRT. (IMarch 2009) (4) (5) Write any two statements of first law of thermodynamics. Explain, "Internal energy is a state function". (IMarch 2009) (4) (6) Write the applications of Hess's law. (Oct. 2009) (2) (7) Derive the expression for the work done by an ideal gas in an isothermal and irreversible process. Under what conditions work done by a gas is 'zero'? (Oct. 2009) (4) 18) Distinguish between isothermal and adiabatic process. (IMarch 2010) (2) (9) Derive an expression for maximum work done during the expansion of an ideal gas in isothermal and reversible process. (March 2011) (4) (10) Derive an expression for the effect of temperature on the heat of reaction at constant pressure. (Oct. 2010 (2) ( 11) Define Enthalpy. Show that AH- AE + PAV, at constant pressure. (Oct. 2010) (3 (12) Explain the concept of maximum work. Derive an expression for maximum work done in isothermal reversible expansion of one mole of an ideal gas. (IMarch 2011) (4) (13) Prove that AH= AU+ AnRT. What is the.condition under which AU= AH ? (March 2013) (2 (14) 300 mol of perfect gas occupies 13L at 320 K. Caleulate the work done in joules when the gas expands- (a) isothermally against constant external pressure of 0.20 atm. a (b) isothermal and reversible process. (c) into vacuum until the volume of gas is increased by 3L. (R 8.314 J mol-1 K-l) (March 2013) (2 with reasón sign conventions of AS in the following reactions: (15) Explain (4) N2+ 3H20 2NH3 (IMarch 2013) (2 (11) CO2 CO2) Sumnay Board Questions 137 ry ofBoara AHO for the following reactions- B,O313H,0 ( 1 6 C a l c 2H,BOsag) Given that: (a) H,5 3ta HBO2(nq+ H,O AHO - 0.02 kJ p) H,B,O71 2B,Oa H,O AHO17.3kJ o ) H,B,O719+H,O- 4HBO2g AHO 11.58 kJ (Oct. 2013) (3) are the conditions for spontaneous and What change? Define entropy. non-spontancous reactions in terms or (Oct. 2013) (2) free energy Derive t h e. relation AH - AU = A (Oct. 2013) (2) relation between relation AH and AU for (March 2014) (2) (18) Derive aa chemical reaction. a le of a gas expands by 3L against a constant pressure of 3 atmosphere. Calculate the work done i 19) (b) Joules (a) L. atmosphere (c) Calories (TMarch 2014) (3) the relation between AG° and the rela Derive equilibrium constant (K) for the reaction- 1) ( 2 1 ) CC + dD (March 2014) (2) aAbB i s the the value of Asum for the following reaction at 298K? 2) Whatis 6CO2+6H, CH,Osio+60, e n that, AG° = 2879 kJ moll AS = -210 JK1 mol1, (Oct. 2014) (3) State and explain Hess's law of constant heat summation. March 2020) (2) (Oct. 2014; July 2018; equation:W (March 2015) (3) (24) Derive the - Pext AV. the following terms: Define (25) of fusion (b) Enthalpy of atomization (March 2015). (2) (a) Enthalpy Determine whether the reactions with the following AH and A S values are spontaneous or non-spontaue us. (26) State whether the reactions are exothermic or endothermic. AS= +40 JKtephen (Oct. 2015) (2) 37) write the structure and 1UPAC names of isomeric aldehydes having molecular formula o. (Oct. 2015) (4) W (38) What are ketones How are ketones classified? (39) (March 2016) (2) Explain the mechanism of esterification. parch 2016) (4) (40) 141) (Write JUPAC names of the following compounds: (a) CH (6) CH- C-C- CH July 2016 (2) How is ethanoic acid prepared from dry ice ? (March 2017) (2) (42) 143) Give IUPAC name of CH,-CH-CH-CHO (March 2017) (1) A What is the action of the following reagents on prepanone? (a) Phenyl hydrazine (b) Zn-Hg/conc. HCl1 (c) Sodium bisulphite (July 2017 1451 Write a note on self oxidation-reduction reaction of aldehyde with suitable example. (July 2017 (2) 1461 Complete and rewrite the balanced chemical equations: (a) ChlorobenzeneaN +CuCN ? 473 K, pressure (b) Isobutyraldehyde 50%KOH ? (c) Butanone +2, 4-dinitro-phenyl hydrazine H ? (March 2018) (3) j47) What is the action of the following reagents on ethanoic acid? (a) LiAlIH,/ F0 (5) PCl, heat (e PO5, heat (March 2018) (3) (48) Complete and rewritethebalanced chemical equation for the following reactions: (a) Benzaldehyde 50% KOH (b)Acetone + phenylhydrazine ? (July 2018) (2) (49) Write balanced equations for the following conversions: (a) Cyclopropane carboxylic acid to cyclopropylmethanol. (b) Acetyl chloride to benzyl methyl ketone using dialkyl cadmium July 2018) (2) (50) A compound used as pistachio flavour in ice cream is (a)vanillin (b) acetophenone (c) muscone (d) butyraldehyde (March 2019) (1) (51) Write chemical equation for the following: i) Gatterman-Koch formylation ii) Rosenmund reduction (ii) Fischer esterification (March 2019) (3) (52) How will you convert (4) calcium acetate to acetaldehyde (ii) acetone to acetone cyanohydrin (iti) sodium acetate to methane iv), benzoic acid to m-bromobenzoic acid? (March 2019) (4) (53) Write balanced chemical reaction for preparation of acetic anhydride using acetic acid. (March 2020} (1) (54) ldentify 'A' and 'B'in the following reaction: AICl A Zn-Hg Conc. HC1, A B Ho (March 2020) (1) +CH,COC HCI (55) Explain the mechanism of aldol addition reaction. Mention two uses of carboxylic acids. (March 2020) (4) 56) Write the name of reagent used during conversion of acetaldehyde to acetaldehyde cyanohydrin. (Sept. 2021) (1) (57) How is benzophenone prepared from benzonitrile? (Sept. 2021) (2) 58) Write a note on 'aldol' condensation reaction of ethanal. Write chemical reaction involved when benzaldehydeis treated with concentrated caustic potash. (Sept, 2021) (4) (59) Write the name of product formed, when acetone is treated with 2,4-dinitrophenyl hydrazine.(March 2022) (1)  150 UTTAM's XII Chemistry Papers Sols, (60) ldentify A and B from the following reaction: CH 2CH, C- 0 Ba to (61) Write prcparation A of acetic acid B H,0 (March 2022) (2 () Diy ice from: W r i t e the (14) Acctyl chloride classification of aliphatic ketones action (March 2022) (2 sodium with example. What is the o hypoidite on acetone? (March 2022) (21 13 AMINESs (1) How is ethanamine (2) Write prepared by using (a) Acetaldoxime (b) Methyl cyanide. acetylation reaction of: (a) Ethyl amine (b) Diethyl amine. (March 2008) (2 What are anminesP What is the action of acetvl chloride on ethanamine, N-Ethylethanamine and (March 2008) (21 (4) N-N-dimethylethanamineP ldentify (Oct. 20o8) A, B, C and D. Write complete reactions. 4) CH CN NaR-OH A CH CH, C CH D (5) How is B ethylamine prepared from (a) Nitro-alkane (IMarch 2009) (4) (b) Oxime? Explain basic nature of amines. (IMarch 2010; Oct. 2009; uly 2017 (6) What is the action of (4) (a) Nitrous acid on ethyl amine (b) Mixture of sodium and alcohol on acetonitrile? (Oct. 201 0) (7) What is a 2 "Quaternary ammonium salt'? (Oct. 2010) (8) What a r e amines? Give 1UPAC (2) (9) How will you convert? name of ethyl methyl amine. (IMarch 2011) (2) (a) C EN into CH- NH2 - (10) What is the action of bromine in (b)-NH2 into OH (IMarch 2011) (2) alkaline medium on: (a) CH,CH,NO, (b) CH- CH NO, (March 2013) (2) (11) Write a short note o n Hoffmann CH bromamide degradation. (IMarch 2013) (3) (12) How is nitromethane prepared from the following? (a) alkyl halide (b) a-halogen carboxylic acid (c) a-nitroalkene (Oct. 2013) (13) Explain Hoffmann bromamide (3) (14) degradation reaction. (Oct. 2013; March 2017, 2018) (2) What is the action of the following reagents on aniline? (a) Bromine water (b) Acetic anhydride (c) Hot and conc. sulphuric acid (IMarch 2014) (3) (15) Identify the compound 'A' and B' in the following equation CH, C H , + HNOs 423-600 K ASn/conc.HC1 B'+H,O (IMarch 2014) (2) (16) What wil be the action of the mixture of sodium nitrite and dilute hydrochloric acid on: (a) Ethyl amine (b) Aniline (c) Triethyl amine? (17) How a r e propan-1-amine and propan-2-amine (Oct. 2014) (3) prepared from oxime? (Oct. 2014) (2) (18) How is ethyl amine prepared from methyl iodide?. (March 2015) (2) (19) Write a note on Gabriel phthalimide synthesis. (IMarch 2015) (3) (20) What is the action of acetic anhydride on: (a) Ethyl amine (b) Diethyl amine (Oct 2015) (2) (21) What is the action of nitrous acid on- (a) Primary nitroalkane (b) Secondary nitroalkane (c) Tertiary nitroalkane. (Oct. 2015) (3) (22) How are: (a) 1-nitropropane and (b) 2-nitropropane prepared from suitable oxime? (March 2016) (2) (23) How are 1-nitropropane, 2-nitropropane and 2-methyl-2-nitropropane are from each other using nitrous acid ? distinguished (March 2016) (3) (24) What is the action of benzene diazonium chloride on (a) Phenol in alkaline medium (b) Aniline (July 2016) (2) (25) Identify 'A' and B' and rewrite the reaction s: CH-N°(CH,),1A8,0/H,0 A H B + (CH)N +HO (July 2016) (1)  151 P u e s t i o n s Board (March 2017) (3) mary of action of mixture of NaNO, and dil.HCI o n : What i s (b) Aniline (c) Diethylamine (a) Ethylamine nverted into: (July 2o17) (3) nitroenthane con (b) N-ethylhydroxyl amine (c) acetic acid? (March 2018) (2) How is mine ethylamine and diethylamine? 1athy action of p-toluinesulphonylchloride in on the 1s action of o f lithium aluminium hydride the presence of ether on what the action (July 20is) (2) following c o m p o u n d s ? What 2 8 ) is (b) 2-methyl-1-nitropropane. chloride (2) ( 2 9 (a) nitroethane action of benzene diaozonium (July 2018) structures of aniline. What is the 90) (a) niomance Write reso (IMarch 2019) (1) on ethanolP Phenylmethanamine. o f Ph (March 2019) (3) (1) s t r u c t u r e W r i t e the on Hoffmann elimination. (March 2019) note 8 1 ) a short (IMarch 2020) (1) Write (3) a m i n e s p (March 2020) are ammonium salt. 3 2 ) What acetaldoxime. 33) Quaternary amine using reaction involved in the formation of ethyl D e f i n e : 34) Write the chemical hanamine from (Sept. 2021) (2) as to prepare 5 W r i t e r e a c t i o n s (iii) Propionamide. ( 8 5 ) Acetonitrile (il) Nitroethane c o n v e r t wil isocyanide. you (Sept. 2021) (2) How iodide to methyl 37) (3d) Methyl ethanoic cyanide acid to P Methyl reactions to prepare ethanamine from: (March 2022) (2) chemical (ii) Nitroethane. (38) ( ) A c e t o n i t r i l e 14 of glucose with BIOMOLECULEs (March 2008) (2) chemical reactio. Give Bromine water (Oct. 2008) (2) (a)Hydroxyl amine (b) Gluconic acid (b) Saccharic acid (2) gucose into: (a) (March 2009, 2017) will you convert 121 How the glucose prepared from sucrose P (Oct. 2009) (1) 131 How is the t e r m Simple protein'. (March 2008) (1) Define 14) ternm proteins. the (5 Explain carbohydrates: (Oct. 2009) (2) Classify the following (6) (c) Fructose. (3) (a) Cellulose (b)Maltose formed in proteins? (IMarch 2010) proteins? How is peptide linkage ( What are conjugated the following o n glucose? (2) is the action of (Oct. 2010) S) What amine. Acetic anhydride (5) Hydroxyl (a) with- What happens when glucose is treated (March 2014) (3) (9) acid (c) Hydrogen cyanite (HCN) (a) Bromine water (b) Dilute nitric that indicates of glucose. Write the reaction (3) Describe laboratory method for preparation (Oct. 2014) (10) CHO group in glucose. (2) the presence of (Oct. 2014) and D-(-- fructose. Fischer projection formulae of D-(+)-glucose (March 2015) (2) (11) Draw the simple classified o n the basis of molecular shapes? (12) How proteins are (March 2015) (3) What a r e reducing and non-reducing sugars? (13) Define carbohydrates. (Oct. 2015) (2) Draw ring structure of a D (+) glucopyranose ? - (14) What a r e monosaccharides? (Oct. 2015) (3) formed? (15) What is peptide linkage? How is tripeptide (March 2016) (1) (16) What are carbohydrates? (17) What is the action of following reagents on glucose? (c) Hydroxyl amine (July 2016) (3) (a) bromin water (b) dilute HNO, (uly 2017) (3) (18) Define enzymes. How is peptide linkage formed? 9) What happens when glucose is treated with (July 2017) (2) (a) hydroxylamine (b) hydrogen cyanide. 20) How glucose is prepared from cane suger? Write the formula of the complex copper (I) hexacyano ferrate (). (March 2018) (3) bond between W h a t are amino acids? Write the correct reaction for formation of peptide (March 2018) (2) amino acids. e4) How is (July 2018) (2) glucose prepared from starch  U T T A M s K I WC h e m i s t r yP a p e r s Solution July 2018) (1) (July 2018) (1) ( J u l y 2018) (2) (March 2019) (1) (March 2019) (3) structure of T h y m i n in e. triacylglycerolis ( d )a m i n e (t-Glucopyranose (trans). lormed? (March 2020) (2) (3) 152 the p r e s e n t ( c ) e s t e r glucose (March 2020) Draw group on glucopyranose, Definehormones. linkage (23) f u n c t i o n a l (b)ether r e a g e n t s ina-D- (Sept. 2021) (1) The p e p t i d e (24) ( a ) a l c o h o l a c t i o n of (b) Hydroxylamine following p r e s e n t H o w is (Sept. 2021) (2) What is the method? (March 2022) (2) (25) (a) Bromine water commercial examples. (3) hydroxyl8 p r o t e i n s. of ()-g (March 2022) adenaturation of n u m b e r the by -D- Write p r e p a r e d of f o r m u l a w i t h (26) glucose s h a p e s a c i d. How is projection x p l a i n molecular pr ? ExJ monosaccharides a d i p i c (27) Haworth example. RNA. of Write in structure (28) What are of sugar present the asis ba sis of with an CHEMISTRY (29) the n a m e proteins on in pro p r o t e i n fglucose. W r i t e Oct. 2009) (2) Write lassification of linkage glucose (March 2008, 201. 010; (30) of peptide p r e p a r a t i o of n POL Y M E R ( O c t o b e r. 2 0 0 8 ) (3 (31) Explain formation m e t h o d of INTRODUCTIOoN TO 2009, 2010) (1) commercial Oct.: (32) 2011, Write 2009, N y l o n - o 0. 3 of 15 p r e p a r a t i o n of " (March preparation (Oct., 2010) (2) i n v o l v e d in preparedr used i n the (March 2011) (2) r e a c t i o n s terylene substances Wite c h e m i c a l fibres? How is (IMarch 2013) (2) chemical 4 What are synthetic of t h e che (Oct. 2013) (2) (2) f o r m u l a e (3) Define Fibre. and c h e m i c a l of 1 e r y i e n e. (Oct. 2013) (1) (2) n a m e s (4) W Wirite i n ' p r e p a r a t i o n polymer. (IMarch 2014) involved n y l o n - 6 6. novolac process c h e m i c a l r e a c t i o n s to prepare p o l y m e r i s a t i o n (Oct. 2014) (3) Give reaction of B u n a -. 5) Write the chemical c l a s s i f i e d on the basis preparing (March 2015) (2) (5) polymers used in melamine. are monomers of each. How the s t r u c t u r e formulae of of terylene. e x a m p l e of (2) (8) Write chemical two' uses one (March 2015) and Write n a m e s Write any polymers. prepared? linear polymers? Wnte How is Nylon 6, 6 branched and n o n - b i o d e g r a d a b l e (20) with examples, and (Oct. 2015) (3) Explain polymers (11) are b i o d e g r a d a b l e (March 2016) (1) What of- 4 involved in the preparation (c) PVC. (July 2016) (1) reactions Write the (b) Orlon (13) of Nylon-6.: of Buna-s (a) Teflon reaction for the preparation used for preparation (July 2016) (2) the (2) materials Write (14) formulae of the raw (IMarch 2017) Write the prepared? (15) polymers (March2017)(1) How are the following (16) (a) Orlon (b) Teflon (July 2017 (2) Homopolymers (17) Explain the term: (March 2018) (3) How is nylon 6,6 prepared? (18) prepared ? (19) How is Terylene and uses of nylon-2-nylon-6. (July 2018) (1) the preparation (20) Explain contains ester linkage is: which (21) A polymer (c) Neoprene (3) (a) Teflon (b) Buna-N polymers: (March 2019) the following Write chemical reactions to prepare (March 2020) (2) (22) (i) Teflon (i) Nylon-6 polymer. Write the preparation of terelyne. of Nylon 6, 6 polymer. (Sept. 2021) (2 (23) Define non-biodegradable used in the preparation (March 2022) (3) and s t r u c t u r e of monomers (24) Write names on the basis of structure.