When an electric current is passed through acidulated water, 112 ml of hydrogen gas at NTP is collected at the cathode in 965 seconds. The current passed in amperes is

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Detailed Solution

$112 \times 10^{2} ml \dots \dots \dots . \dots 96, 500 c$
$112 ml \dots \dots \dots ?$
No.of columbs $= i \times t = \frac{112 \times 96, 500}{112 \times 10^{2}} = 965 c$
$\begin{aligned} = i \times 965 = 965 \\ ∴ i = 1 Ampere \end{aligned}$

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