Organic Chemistry Reactions Quiz
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Questions and Answers

H₂O (ice) is an example of-

  • Ionic solid
  • None of these
  • Hydrogen bonded molecular solid (correct)
  • Polar molecular solid

Rate = K[H₂O₂] is an example of-

  • Zero order reaction
  • Second order reaction
  • None of these
  • First order reaction (correct)

CH₃Br + 2Na + CH₃Br (Dry ether) → CH₃-CH₃ + 2NaBr. The reaction is-

  • None of these
  • Wurtz reaction (correct)
  • Fittig reaction
  • Friedel-Craft reaction

Calamine is an ore of-

<p>Zn (C)</p> Signup and view all the answers

Toluene (C₇H₈/hv) → A 'A' is-

<p>Chlorobenzene (C)</p> Signup and view all the answers

Acetaldehyde + 4[H] (Zn-Hg/HCl) → A 'A' is-

<p>Ethane (A)</p> Signup and view all the answers

Which enzyme helps in converting sucrose into glucose and fructose?

<p>Invertase (C)</p> Signup and view all the answers

Calculate the overall order of a reaction which has the rate expression - Rate = K[A] [B]

<p>2</p> Signup and view all the answers

Beri-beri occurs due to the deficiency of which vitamin?

<p>Vitamin B</p> Signup and view all the answers

Write dispersed phase and dispersion medium of milk, a colloidal solution.

<p>In milk, dispersed phase is got and dispersion medium is water.</p> Signup and view all the answers

Write the monomer used for getting the polymer, Glyptal.

<p>Phthalic acid and ethylene glycol.</p> Signup and view all the answers

Give an example of aldohexose.

<p>Glucose</p> Signup and view all the answers

Give an example of food preservative.

<p>Vinegar</p> Signup and view all the answers

CH₃COOH + SOCl₂ → Product. The product is-

<p>CH₃COCI (C)</p> Signup and view all the answers

Identify X, Y and Z in the following -(a) CH₃CH₂OH (Conc. H₂SO₄/443K) → X (H₂O + O → Alc. KMnO₄) → Y (CH₂OH) → Z -(b) CH₃CHBrCH₃ (Alc. KOH) → X (HBr/Peroxide) → Y

<p>CH₃CH₂OH = Ethanol CH₂=CH₂ = Ethylene CH₃CH₂CH₂Br = 1,2-Dibromopropane CH₃CH₂CH₂OH = Propan-1-ol CH₃CH=CH₂ = Propene CH₂OH-CH₂OH = Ethylene Glycol</p> Signup and view all the answers

Flashcards

Type H2O(ice) bonding

Ice is an example of hydrogen bonded molecular solid. Hydrogen bonding occurs between polar molecules with hydrogen atoms attached to highly electronegative atoms like oxygen.

Rate = K[H2O2] order

This is a first order reaction, where the rate depends directly on the concentration of hydrogen peroxide (H2O2).

Wurtz reaction

A reaction where two alkyl halides react with sodium metal and dry ether to produce an alkane.

Calamine ore

Calamine is an ore of Zinc (Zn).

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Toluene chlorination product

Chlorination of toluene in the presence of sunlight yields a chlorinated product (alkyl benzene).

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Acetaldehyde reduction product

Acetaldehyde reduction with Zn-Hg/HCl catalyst yields an alkane (ethanol).

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Enzyme for sucrose

Invertase is the enzyme that catalyzes the hydrolysis of the sucrose into glucose and fructose.

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Overall order of Rate=K[A][B]

The overall order of the reaction is 2 (second order).

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Beri-Beri cause

Beri-Beri is caused by a deficiency of Vitamin B1 (Thiamine).

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Milk composition

Milk is a colloidal solution with fat as the dispersed phase and water as the dispersion medium.

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Monomer of Glyptal

Glyptal polymer is made from phthalic anhydride and glycerol.

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IUPAC name of CH3CH2C(CH3)2CH2I

2,2-Dimethylpentan-4-iodide

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Aldohexose example

Glucose is an example of an aldohexose.

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Food preservative example

Sodium benzoate is an example of a food preservative.

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Study Notes

Carbylamine Reaction

  • Primary amines, both aliphatic and aromatic, react with chloroform and alcoholic potassium hydroxide to form isocyanides (carbylamines).
  • Isocyanides have an unpleasant, mustard-like odour.

Hofmann Bromamide Reaction

  • Aliphatic primary amines are formed from the reaction of primary amides with bromine and alkali.
  • The reaction involves the loss of elements of carbon dioxide and the liberation of ammonia.

Gattermann Reaction

  • Benzene diazonium chloride reacts with halogen acids in the presence of copper powder.
  • This reaction yields the corresponding haloarenes.

Multiple Choice Questions

  • Ice (H₂O) is an example of a hydrogen-bonded molecular solid.

  • Rate = K[H₂O₂] is a first-order reaction.

  • The reaction of CH₃Br + 2Na + CH₃Br (dry ether) → CH₃-CH₃ + 2NaBr is a Wurtz reaction.

  • Calamine is an ore of zinc (Zn).

  • Toluene's monochlorination product is chlorobenzene.

  • Acetaldehyde + 4[H] reduces to ethanol.

  • The enzyme that converts sucrose into glucose and fructose is invertase.

  • Beriberi is caused by a deficiency of vitamin B.

  • Milk's dispersed phase is fat droplets, and the dispersion medium is water.

  • The monomers for Glyptal polymer are phthalic acid and ethylene glycol.

  • 2-methyl iodobutane is the IUPAC name for CH₃CH₂C(CH₃)₂CH₂I.

  • Glucose is an example of an aldohexose.

  • Vinegar is a food preservative.

Chemical Equilibrium

  • The overall order of a reaction with Rate = K[A][B] is 2 (first order in A and first order in B).

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Description

Test your knowledge on key organic chemistry reactions including the Carbylamine, Hofmann Bromamide, and Gattermann reactions. This quiz covers important mechanisms and products, as well as some related multiple choice questions to challenge your understanding.

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