Chemistry - Organic Chemistry Based on Functional Group - II

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Question - 1

Which one of the following acids reduces Tollens' reagent?

  • A acetic acid
  • B formic acid
  • C carbonic acid
  • D hydrochloric acid

Question - 2

When benzaldehyde reacts with alkali which one of the following may be obtained?

  • A benzene
  • B naphthalene
  • C benzyl alcohol and sodium benzoate
  • D phenol

Question - 3

Which one of the following reagents can bring about RCHO -> RCH2OH transformation?

  • A Sn and HCl
  • B H2 and Pt
  • C LiAiH4 and ether
  • D Na and alcohol

Question - 4

Acetaldehyde when treated with caustic soda as a catalyst forms 

  • A sodium acetate 
  • B resin
  • C aldol
  • D acetone

Question - 5

Schiff's reagent gives pink colour with

  • A acetone 
  • B acetic acid
  • C ethyl acetate
  • D acetaldehyde

Question - 6

Cannizzaro reaction occurs with 

  • A CH3CH2OH
  • B C6H5CHO
  • C CH3CHO
  • D CH3COCH3

Question - 7

Which one of the following statements is incorrect in case of acetaldehyde and acetone?

  • A Both react with hydroxylamine to form oximes 
  • B Both react with sodium bisulphite to form addition product
  • C Both reduce ammoniacl silver nitrate solution
  • D Both react with hydrazine to form hydrazones

Question - 8

Hydrolysis of an ester gives acid A and alcohol B.The acid A reduces Fehling's solution.Oxidation of alcohol B gives acid A. The ester is

  • A methyl formate
  • B ethly formate
  • C methyl acetate
  • D ethyl acetate

Question - 9

When HCHO is treated with C6H5CHO in presence of NaOH,the products are

  • A CH3OH and HCOONa
  • B C6H5CH2OH and C6H5COONa 
  • C CH3OH and C6H5COONa
  • D HCOONa and C6H5CH2OH

Question - 10

Ketone on reduction with Zn-Hg/HCl gives

  • A primary alcohol
  • B secondary alcohol
  • C tertiary alcohol
  • D hydrocarbon