General Organic Chemistry MCQs Part 20

General Organic Chemistry MCQs

MCQ-1.  The shortest C – C bond distance is found in :

  Ethane
  Benzene
  Diamond
  Acetylene

MCQ-2.  Which of the following forces is strongest among the following ? :

  Dipole-dipole forces
  H-Bonding
  All equal
  Vander Waals forces

MCQ-3.  Which of the following free radicals is most stable ? :

  Methyl
  Secondary
  Tertiary
  Primary

MCQ-4.  Which of the following is an example of elimination reaction ? :

  Dehydration of ethanol
  Chlorination of methane
  Hydroxylation of ethylene
  Nitration of benzene

MCQ-5.  Acetaldehyde is the rearrangement product of :

  Vinyl alcohol
  Allyl alcohol
  Methyl alcohol
  All are correct

MCQ-6.  The least number of carbon atoms in alkane forming isomers is :

  3
  1
  4
  2

MCQ-7.  Diethyl ether is associated with which one of these isomers ? :

  Steroisomerism
  Methyl propionate
  Butanoic acid
  None

MCQ-8.  Number of primary and tertiary hydrogen atoms present neopentane are respectively :

  6,6
  12,0
  9,3
  5,7

MCQ-9.  Glucose and fructose are :

  Position isomers
  functional isomers
  optical isomers
  chain isomers

MCQ-10.  The least number of carbon atoms for an alkane to show stereoisomerism is :

  5
  3
  2
  4

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