BPCL - Technical Subject - Organic Chemistry Based on Functional Group - I

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Question - 1

The compound obtained by the reactions of water with CH3MgX is

  • A CH3COCH3
  • B CH4
  • C C2H6
  • D C2H5OH

Question - 2

The chloro compound that is used as afire extinguisher is

  • A CHCl3
  • B CCl4
  • C COCl3
  • D CCl3CCl3

Question - 3

phenol acts as 

  • A a base
  • B an acid
  • C an alcohol
  • D a hydrocarbon

Question - 4

A compound X of formula C3H8O yields a ketone C3H6O on oxidation .To which of the following classes of compound could X belong?

  • A an aldehyde
  • B secondary alcohol
  • C alkene 
  • D tertiary alcohol

Question - 5

Esterification of acetic acid by ethanol involves attack of the 

  • A alcohol on the carboxylate ion
  • B alcohol on the protonated ester
  • C alcohol on the protonated acid
  • D acid on the protonated alcohol

Question - 6

An alkyl halide can be converted into an alcohol by 

  • A additional reactions
  • B elimination reaction
  • C dehydration reaction 
  • D substitution reaction

Question - 7

Iodoform on being heated with potassium hydroxide gives

  • A HCHO
  • B CH3CHO
  • C HCOOK
  • D CH3COOH

Question - 8

When sodium is added to ethanol

  • A no action occurs
  • B only H2 gas is formed
  • C NaOC2H5 and O2 are formed
  • D NaOC2H5 and H2 are formed

Question - 9

When CH3 Mgl is made to react with acetone and the addition product formed is hydrolysed,We get 

  • A a primary alcohol
  • B a secondary alcohol
  • C a tertiary alcohol 
  • D an aldehyde

Question - 10

In the laboratory by dehydration of ethyl alcohol ethy;ene was obtained with 50% yield.The ethylene so obtained reacted with bromine to give athylene  dibromide with 80% yield.If the amount of ethyl alcohol was 0.5 mol then athylene dibromide produced would be

  • A 0.1 mol
  • B 0.2 mol
  • C 4.0 mol
  • D 0.8 mol