**Assertion (A):** For the reaction , reacts with to give .
**Reason (R):** This is in accordance with Gay-Lussac’s Law of gaseous volumes.

Question

**Assertion (A):** For the reaction $H_2 + Cl_2 ightarrow 2HCl$, $1 ext{ volume } H_2$ reacts with $1 ext{ volume } Cl_2$ to give $2 ext{ volumes } HCl$.
**Reason (R):** This is in accordance with Gay-Lussac’s Law of gaseous volumes.

Prashant Kotian · Accepted Answer

Correct answer: A. Gay-Lussac’s law states that the volumes of reacting gases and their products (if gaseous) bear a simple whole-number ratio to each other at constant T and P. The coefficients confirm this.

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