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The electrochemical equivalent of a metal is 3.3 × 10–7kg per coulomb.

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asked Mar 24, 2018 in Physics by paayal (26,720 points) ● 4 ● 6 ● 11

The electrochemical equivalent of a metal is 3.3 × 10–7kg per coulomb. The mass of the metal liberated at the cathode when a 3A current is passed for 2 second will be

(a) 19.8 × 10–7kg 

(b) 9.9 × 10–7kg

(c) 6.6 × 10–7kg 

(d) 1.1 × 10–7kg.

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answered Mar 24, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 26, 2018 by Vikash Kumar
 
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