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  3. Chemistry
  4. Electrochemical equivalent of a substance is 0.0006735 g -1. C Its equivalent weight is:

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Q. Electrochemical equivalent of a substance is $0.0006735 \, g ^{-1}$. C Its equivalent weight is:

Electrochemistry

Solution:

The weight of a substance deposited by $1 C$ is termed as electrochemical equivalent.

$W = ZIt$

$W = ZQ , \quad I =1 A , T =1 sec \quad$ i.e., $Q =1 C$

1C deposits weight $=0.0006735 \, g$

$96500 \, C$ deposits weight

$=0.0006735 \times 96500=65$

1F (i.e. $93500\, C$ ) deposits weight equal to its equivalent weight.