Selected MCQ

Current Question
Which compound conducts electricity in solution?
  • A. Sugar
  • B. Salt
  • C. Alcohol
  • D. Benzene
Correct Answer: B
Explanation:
Ionic compounds dissociate into ions.
Related Question 1
Which factor increases acidity of organic compounds?
  • A. Electron donating groups
  • B. Electron withdrawing groups
  • C. Alkyl substitution
  • D. Decreasing electronegativity
Correct Answer: B
Explanation:
Electron-withdrawing stabilizes conjugate base.
Related Question 2
Which compound has trigonal planar geometry?
  • A. NH₃
  • B. CH₄
  • C. BF₃
  • D. H₂O
Correct Answer: C
Explanation:
BF₃ is sp² hybridized.
Related Question 3
Which compound is most polar?
  • A. CO₂
  • B. CH₄
  • C. NH₃
  • D. BF₃
Correct Answer: C
Explanation:
NH₃ has net dipole moment.
Related Question 4
Which compound is most soluble in water?
  • A. Benzene
  • B. NaCl
  • C. CH₄
  • D. CCl₄
Correct Answer: B
Explanation:
Ionic compounds dissolve well.
Related Question 5
Which compound is aromatic?
  • A. Cyclobutane
  • B. Benzene
  • C. Ethene
  • D. Methane
Correct Answer: B
Explanation:
Benzene follows Hückel’s rule.