MCQ
Identify the major product $A$ and $B$ for the below given reaction sequence.


- A

- ✓

- C

- D








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[At $45^{\circ} \mathrm{C}$ vapour pressure of benzene is $280\, \mathrm{~mm} \,\mathrm{Hg}$ and that of octane is $420\, \mathrm{~mm} \,\mathrm{Hg}$. Assume Ideal gas]

$\mathrm{M}\left|\mathrm{M}^{2+}\right||\mathrm{X}| \mathrm{X}^{2-}$
If $\mathrm{E}_{\left(\mathrm{M}^{2+} / \mathrm{M}\right)}^0=0.46 \mathrm{~V}$ and $\mathrm{E}_{\left(\mathrm{x} / \mathrm{X}^{2-}\right)}^0=0.34 \mathrm{~V}$.
Which of the following is correct?
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 ?