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Questions and Answers
What is the bond order of the P−O bond in PO4^3−?
What is the bond order of the P−O bond in PO4^3−?
The reaction of CH4 with Cl2 proceeds with Cl2 dissociating into two Cl atoms as the rate determining step.
The reaction of CH4 with Cl2 proceeds with Cl2 dissociating into two Cl atoms as the rate determining step.
True
What type of bond is formed between two alpha-amino acids?
What type of bond is formed between two alpha-amino acids?
amide bond
The total number of alkenes, including geometrical isomers, that can be formed from 3-bromo-3-cyclopentylhexane using alcoholic KOH is _____ .
The total number of alkenes, including geometrical isomers, that can be formed from 3-bromo-3-cyclopentylhexane using alcoholic KOH is _____ .
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What is the number of lone pairs of electrons on the central atom of SF4, CF4, and XeF4?
What is the number of lone pairs of electrons on the central atom of SF4, CF4, and XeF4?
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Match the following reactions with the corresponding methods of preparing aromatic nitriles:
Match the following reactions with the corresponding methods of preparing aromatic nitriles:
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The isoelectric point (pI) of lysine can be determined by averaging its pKa values.
The isoelectric point (pI) of lysine can be determined by averaging its pKa values.
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Which method does NOT prepare aromatic nitriles?
Which method does NOT prepare aromatic nitriles?
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Aromatic compounds can be prepared by reacting an alkyl halide with potassium cyanide.
Aromatic compounds can be prepared by reacting an alkyl halide with potassium cyanide.
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What is the IUPAC name for the complex [Co(NO2)(NH3)5]Cl2?
What is the IUPAC name for the complex [Co(NO2)(NH3)5]Cl2?
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The reaction equilibrium for ammonium carbamate can be expressed as: NH2COONH4 (s) ⇌ ____ (g) + ____ (g).
The reaction equilibrium for ammonium carbamate can be expressed as: NH2COONH4 (s) ⇌ ____ (g) + ____ (g).
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The correct order of the equivalent conductance at infinite dilution for LiCl, NaCl, and KCl is _____ .
The correct order of the equivalent conductance at infinite dilution for LiCl, NaCl, and KCl is _____ .
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Match the following compounds with their properties:
Match the following compounds with their properties:
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What primarily causes the color of potassium dichromate?
What primarily causes the color of potassium dichromate?
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In metal carbonyl complexes like M(CO)6, CO acts as a strong field ligand.
In metal carbonyl complexes like M(CO)6, CO acts as a strong field ligand.
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Which type of bonding occurs in metal carbonyl complexes?
Which type of bonding occurs in metal carbonyl complexes?
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The bond length of C−O in free CO gas is ______ than in metal carbonyl complexes.
The bond length of C−O in free CO gas is ______ than in metal carbonyl complexes.
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Which of the following is a correct statement about the bonding in M(CO)6?
Which of the following is a correct statement about the bonding in M(CO)6?
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Which of the following statements about NO is true?
Which of the following statements about NO is true?
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Match the following statements with their correctness regarding the given information:
Match the following statements with their correctness regarding the given information:
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The statement 'C−O bond length is greater in CO gas compared to C−O bond length in metal carbonyl complexes' is true.
The statement 'C−O bond length is greater in CO gas compared to C−O bond length in metal carbonyl complexes' is true.
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In α-D-glucopyranose, the orientation of the hydroxyl group on the anomeric carbon is ______.
In α-D-glucopyranose, the orientation of the hydroxyl group on the anomeric carbon is ______.
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Study Notes
Section A - Single Answer Correct Type Questions
- Question 1: 0.42 g of Mg2C3 reacts with water to produce gas X. Gas X combines with O2 to produce CO2. The volume of CO2 at STP is 336 mL.
- Question 2: In groups 13 and 14, lower oxidation state compounds are more stable as the ionization energy decreases down the group. Shielding of electrons in s and p orbitals decreases compared to d and f orbitals, and down the group electronegativity also decreases.
- Question 3: The overall rate law for a reaction is given by the slowest step (rate limiting step) in a reaction mechanism. For a reaction 2A + C → P, the mechanism proceeds with two steps: 2A → B, and B + C → P . The overall rate is given by Kf[B][C].
- Question 4: cis-2-phenylcyclohexanol, when pyrolysed, gives 1-phenylcyclohexene.
Section A - Single Answer Correct Type Questions
- Question 5: [X] + dil H2SO4 → [Y], a colorless gas with irritating smell [Y] + K2Cr2O7 + H2SO4 → Green solution. The species [X] is SO3 and [Y] is SO2.
- Question 6: The colour of potassium dichromate is due to d-d transitions.
- Question 7: Correct statements for metal carbonyl [M(CO)6] include: (1) σ bonding electrons are donated from the CO group to the metal. (2) π back-bonding occurs from filled metal orbitals. (3) π back-bonding strengthens M-CO bonds. (4) C-O bond length in the complex is smaller than the C-O bond length in CO gas.
- Question 8: The Haworth projection for a glucopyranose is shown in the provided image.
Section B - Integer/Numerical Value Type Questions
- Question 9: Statement I: NO is a neutral oxide, true. Statement II: NO combines with oxygen to form nitrogen dioxide, true.
- Question 10: The correct structure of the product from the given reaction is provided in the image.
- Question 11: The bond order of P-O bond in PO3- is ~0.75 and the formal charge on an oxygen atom is -0.75.
- Question 12: The rate-determining step for the reaction between CH4 and Cl2 is CH4 + Cl → CH3 + HCl.
- Question 13: The total number of isomers resulting from dehydrobromination of 3-bromo-3-cyclopentylhexane using alcoholic KOH is 2.
- Question 14: Aromatic nitriles are not prepared by ArCONH2 + SOCl2.
- Question 15 A peptide bond between two amino acids is an amide bond.
- Question 16 A is K2Cr2O7, B is CrO2Cl2, C is Na2CrO4 and D is PbCl2..
- Question 17 Correct order of equivalent conductance of LiCl, NaCl and KCl is LiCl > NaCl > KCl.
- Question 18 The cations and answer to this question as shown on the page.
- Question 19 The number of lone pairs on the central atom for SF4, CF4 and XeF4 are 1, 0 and 2, respectively.
- Question 20 IUPAC name for [Co(NO2)(NH3)5]Cl2 is pentaamminenitrito-N-cobalt(III) chloride.
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Test your knowledge with this quiz on various chemistry concepts, including chemical reactions, oxidation states, rate laws, and organic compounds. Each question challenges your understanding and application of important chemical principles.
