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1 Organic Chemistry MCQs

Chlorination of toluene in the presence of sunlight produces which compound?

  • Benzyl chloride
  • o-Chlorotoluene
  • p-Chlorotoluene
  • Benzoic acid
0 Comments
Correct Answer: A. Benzyl chloride

Explanation:

When toluene (C₆H₅CH₃) is treated with chlorine (Cl₂) in the presence of sunlight ... Read More Details

2 Organic Chemistry MCQs

A mixture of catalysts Cr₂O₃ + Al₂O₃ + SiO₂ at 500°C is used when benzene is prepared from which compound?

  • Acetylene
  • n-Hexane
  • Benzene sulphonic acid
  • Sodium benzoate
0 Comments
Correct Answer: B. n-Hexane

Explanation:

Benzene can be prepared from n-hexane (C₆H₁₄) through a process known as catalytic ... Read More Details

3 Organic Chemistry MCQs

Which of the following is a fused cyclic aromatic compound?

  • Diphenylamine
  • Diphenylmethane
  • Naphthalene
  • Biphenyl
0 Comments
Correct Answer: C. Naphthalene

Explanation:

A fused cyclic aromatic compound is an aromatic hydrocarbon in which two or ... Read More Details

4 Organic Chemistry MCQs

What type of compound is acetophenone?

  • Ether
  • Ketone
  • Aldehyde
  • Ester
0 Comments
Correct Answer: B. Ketone

Explanation:

Acetophenone is an important aromatic organic compound with the molecular formula C₆H₅COCH₃. It ... Read More Details

5 Organic Chemistry MCQs

Benzene does not undergo ?

  • Substitution reaction
  • Addition reaction
  • Polymerization reaction
  • Oxidation reaction
0 Comments
Correct Answer: B. Addition reaction

Explanation:

Benzene (C₆H₆) is an aromatic hydrocarbon that exhibits remarkable chemical stability due to ... Read More Details

6 Organic Chemistry MCQs

What is the formula of the nitronium ion?

  • NO₃
  • NO
  • NO₂⁻
  • NO₂⁺
0 Comments
Correct Answer: D. NO₂⁺

Explanation:

The nitronium ion (NO₂⁺) is one of the most important electrophiles in organic ... Read More Details

7 Organic Chemistry MCQs

When benzene is heated in air with V₂O₅ at 450°C, it undergoes ?

  • Substitution reaction
  • Addition reaction
  • Elimination reaction
  • Oxidation reaction
0 Comments
Correct Answer: D. Oxidation reaction

Explanation:

When benzene is heated in the presence of air and vanadium pentoxide (V₂O₅) ... Read More Details

8 Organic Chemistry MCQs

The preparation of benzene from acetylene (C₂H₂) can also be described as ?

  • Oxidation
  • Polymerization
  • Dehydration
  • Condensation
0 Comments
Correct Answer: B. Polymerization

Explanation:

The preparation of benzene from acetylene (C₂H₂) is an important reaction in organic ... Read More Details

9 Organic Chemistry MCQs

What is produced when benzene undergoes ozonolysis?

  • Glycol
  • Glyoxal
  • Vicinal diol
  • Both B and C
0 Comments
Correct Answer: B. Glyoxal

Explanation:

Ozonolysis is an oxidation reaction in which an organic compound containing double or ... Read More Details

10 Inorganic Chemistry MCQs

Boron is a non-metal, whereas aluminium (Al) is a metal. This is because of ?

  • Its small atomic size
  • Its high nuclear charge
  • Both A and B
  • No valid explanation yet
0 Comments
Correct Answer: C. Both A and B

Explanation:

Boron and aluminium both belong to Group 13 of the periodic table, yet ... Read More Details