CBSE 2025 · Region 4 · Set 1 · Q15 · 1 mark
Assertion $\displaystyle (A)$ : n-Butyl chloride has higher boiling point than n-Butyl bromide.
Reason (R) : C - Cl bond is more polar than C - Br bond.
Official answer
From CBSE’s own marking scheme for this paper.
(D)
Assertion (A) is false, but Reason (R) is true.
Haloalkanes and HaloarenesPhysical Properties of Haloalkanes and HaloarenesUnderstandassertion_reasonmedium
More from Haloalkanes and Haloarenes
- Reaction of 1-phenyl-2-chloropropane with alcoholic KOH gives mainly:2023 · asked 3×
- An alkyl halide of molecular formula C 6 H 13 Cl on treatment with alcoholic KOH gives two isomeric alkenes…2023 · asked 3×
- Assertion: The boiling points of alkyl halides decrease in the order RI RBr RCl RF. Reason (R): The van der…2025 · asked 3×
- Define the following: 2+1=3 (i) Enantiomers (ii) Racemic mixture Why is chlorobenzene resistant to…2025 · asked 3×
- Write any two differences between S N 1 and S N 2 reactions. Which of the following compounds would undergo S…2025 · asked 3×
- Account for the following: Benzyl chloride is highly reactive towards S N 1 reaction. (±)-Butan-2-ol is…2023 · asked 3×
- A compound with molecular formula C 4 H 9 I which is a primary alkyl halide, reacts with alcoholic KOH to…2025 · asked 3×
- Why are haloarenes less reactive towards nucleophilic substitution reaction? How does the presence of nitro…2025 · asked 3×
CBSE Class 12 Chemistry past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.