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Chemistry · 2025 · 1 mark
Haloalkanes and HaloarenesPhysical Properties of Haloalkanes and Haloarenes1 markUnderstandassertion reason
CBSE 2025 · Region 4 · Set 1 · Q15
Assertion (A): n-Butyl chloride has higher boiling point than n-Butyl bromide. Reason (R): C - Cl bond is more polar than C - Br bond.
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
(D)
Assertion (A) is false, but Reason (R) is true.
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CBSE Class 12 Chemistry past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.