4 amperes of current is passed through acidified water for 30 minutes. The volume of hydrogen gas obtained at S.T.P is

0.836 L

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0.0836 L

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0.0432 L

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0.1672 L

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Solution

The correct option is A
0.836 L

Quantity of electricity = I t = 4 x 30 x 60 = 7200C

Electrode reaction 2H⁺ + 2e^-→ H₂

Q = nF = 2 * 96500 C

Volume of H₂ produced at STP by 7200 C of electricity

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4 amperes of current is passed through acidified water for 30 minutes. The volume of hydrogen gas obtained at S.T.P is

The correct option is A 0.836 L Quantity of electricity = I t = 4 x 30 x 60 = 7200C Electrode reaction 2H+ + 2e- → H2 Q = nF = 2 * 96500 C Volume of H2 produced at STP by 7200 C of electricity

The correct option is A
0.836 L

Quantity of electricity = I t = 4 x 30 x 60 = 7200C

Electrode reaction 2H⁺ + 2e^-→ H₂

Q = nF = 2 * 96500 C

Volume of H₂ produced at STP by 7200 C of electricity