In a Cu-voltameter, mass deposited in 30s is m gm. If the time-current graph is shown in the following figure What is the electrochemical equivalent of Cu?

Question

In a Cu-voltameter, mass deposited in 30s is m gm. If the time-current graph is shown in the following figure What is the electrochemical equivalent of Cu?, m/2, m/3, m/4, m 63.5

MARKS App · Accepted Answer

Total charge passed in 30 sec. = 1 2 × 100 × 10 + 100 × 10 + 100 × 10 + 1 2 × 100 × 10 = 3 × 100 × 10 m A × s = 3000 × 1 0 - 3 a m p s = 3C W = Z Q So Z = W Q = m 3

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