MCQ
The unit of electrochemical equivalent is
- AGram
- BGram/ampere
- ✓Gram/coulomb
- DCoulomb/gram
$SI$ unit of electrochemical equivalent is $gram/coulomb$.
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Reason : The colour arises due to charge transfer.

$S + HNO_3 \rightarrow H_2SO_4 + 6NO_2 + 2H_2O$
