14.0 g of calcium metal is... | JEE Main 2026 | Mole Concept

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Question

14.0 g of calcium metal is allowed to react with excess HCl at 1.0 atm pressure and 273 K . Which of the following statements is incorrect? [Given : Molar mass in gmol ${ }^{-1}$ of $\mathrm{Ca}-40, \mathrm{Cl}-35.5, \mathrm{H}-1$ ]

Select the correct option:

A

0.35 mol of $\mathrm{H}_2$ gas is evolved.

B

$7.84 \mathrm{~L}_2$ of $\mathrm{H}_2$ gas is evolved.

C

33.3 g of $\mathrm{CaCl}_2$ is produced.

D

The limiting reagent is calcium metal.

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Solution

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