CBSE 2023 · Region 1 · Set 1 · Q17 · 1 mark
Assertion $\displaystyle (A)$: The molecularity of the reaction $\displaystyle \mathrm{H}_{2}+\mathrm{Br}_{2} \longrightarrow 2 \mathrm{HBr}$ appears to be 2.
Reason (R) : Two molecules of the reactants are involved in the given elementary reaction.
Official answer
From CBSE’s own marking scheme for this paper.
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
Chemical KineticsFactors Influencing Rate of a ReactionAnalyseassertion_reasoneasy
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CBSE Class 12 Chemistry past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.