Selected MCQ

Current Question
Which is strongest oxidizing agent?
  • A. F₂
  • B. Cl₂
  • C. Br₂
  • D. I₂
Correct Answer: A
Explanation:
Fluorine has highest reduction potential.
Related Question 1
Which reagent reduces aldehydes to alcohols?
  • A. KMnO₄
  • B. NaBH₄
  • C. HCl
  • D. PCC
Correct Answer: B
Explanation:
Sodium borohydride reduces aldehydes.
Related Question 2
Which force is strongest?
  • A. Gravitational
  • B. Electromagnetic
  • C. Weak
  • D. Strong
Correct Answer: D
Explanation:
Strong force binds nucleons.
Related Question 3
Which reagent oxidizes alcohol to aldehyde?
  • A. KMnO₄
  • B. PCC
  • C. NaOH
  • D. HCl
Correct Answer: B
Explanation:
PCC stops oxidation at aldehyde stage.
Related Question 4
Which acid is strongest in water?
  • A. HF
  • B. HClO₄
  • C. H₂CO₃
  • D. CH₃COOH
Correct Answer: B
Explanation:
Perchloric acid fully dissociates.
Related Question 5
Which species is strongest nucleophile?
  • A. H₂O
  • B. NH₃
  • C. OH⁻
  • D. Cl⁻
Correct Answer: C
Explanation:
OH⁻ has high electron density.