MCQ
$100\ ml$ of a buffer of $1 \mathrm{MNH}_3(\mathrm{aq})$ and $1 \mathrm{MNH}_4^{+}(\mathrm{aq})$ are placed in two half cells separately. A current of $1.5\ amp$ is passed through both half cells for $20$ min, if electrolysis of only water take place. The $pH$ of :
- ✓Anode half cell will decrease.
- BCathode half cell will decrease.
- CBoth half cell will decrease.
- DBoth half cell remain same.
