Question

The unit of electrochemical equivalent is

• A. $gm \,ampere^{-1}$
• B. $gm/coulomb$
• C. $gm-ampere$
• D. $coulomb/gram$

Answer 1

Answer: (B)

$gm/coulomb$

Answer 2

$W = Z.Q$ $W =$ weight of substance deposited $Q =$ quantity of electricity passed $Z =$ electrochemical equivalent $Z = \frac{W}{Q} = \frac{gm}{\text{columb}} =$ gm/coulumb