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Standard XII

Chemistry

Stereoisomerism

In an experim...

Question

In an experiment during the analysis of a carbon compound, 145 l of $H_{2}$ was collected at 760 mm Hg pressure and $27^{\circ}$ C temperature. The mass of $H_{2}$ is nearly

10 g

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12 g

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24 g

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6 g

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Solution

The correct option is B
12 g

$P V = n R T, n = \frac{P V}{R T}$ = $\frac{1 \times 145}{0.082 \times 3}$ = 5.8 $\approx$ 6 mole

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In an experiment during the analysis of a carbon compound, 145 l of H2 was collected at 760 mm Hg pressure and 27∘C temperature. The mass of H2 is nearly

The correct option is B 12 g PV=nRT,n=PVRT = 1×1450.082×3 = 5.8 ≈ 6 mole

In an experiment during the analysis of a carbon compound, 145 l of $H_{2}$ was collected at 760 mm Hg pressure and $27^{\circ}$ C temperature. The mass of $H_{2}$ is nearly

The correct option is B
12 g

$P V = n R T, n = \frac{P V}{R T}$ = $\frac{1 \times 145}{0.082 \times 3}$ = 5.8 $\approx$ 6 mole