MCQ
The minimum energy necessary to permit a reaction is
- AInternal energy
- ✓Threshold energy
- CActivation energy
- DFree energy
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A current was passed for $10$ hours. $10.8\ g\ Ag$ was deposited at cathode in $(III)$ electrolytic cell during electrolysis if current efficiency is $50\%.$
What is magnitude of the current in ampere ?

$HC \equiv CH\mathop {\xrightarrow{{{\text{1% HgS}}{{\text{O}}_{\text{4}}}}}}\limits_{20\% {H_2}S{O_4}} A\xrightarrow{{C{H_3}MgX}}B\xrightarrow{{[O]}}$