CUET · CHEMISTRY · PYQ PAPER 2025
Arrange the following alcohols in increasing order of their boiling points.
(A) Propan-1-ol
(B) Butan-2-ol
(C) Butan-1-ol
(D) Pentan-1-ol
Choose the correct answer from the options given below:
- A (A), (B), (C), (D)
- B (A), (D), (C), (B)
- C (B), (A), (D), (C)
- D (C), (B), (D), (A)
Answer & Solution
Correct Answer
(A) (A), (B), (C), (D)
Step-by-step Solution
Detailed explanation
Boiling points increase with molecular size and decrease with branching. Propan-1-ol (3C) < Butan-2-ol (4C, branched) < Butan-1-ol (4C, straight) < Pentan-1-ol (5C) (A) < (B) < (C) < (D)
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