Statement I: Heat evolved in the neutralization of either 1 mole of or 1 mole of with is same.

Statement II: Both, and are strong acids.

Question

Statement I: Heat evolved in the neutralization of either 1 mole of $HCl$ or 1 mole of $H_2SO_4$ with $NaOH$ is same.

Statement II: Both, $HCl$ and $H_2SO_4$ are strong acids.

Prashant Kotian · Accepted Answer

Correct answer: D. 1 mole of contains 1 g-equivalent of H+, releasing 13.7 kcal of heat on neutralization. 1 mole of contains 2 g-equivalents of H+, which will release twice the heat (27.4 kcal). Thus, the heat evolved is different. Statement I is incorrect but Statement II is correct.

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