Most acidic compound among the following is

The reaction given below is called

 is

The Clemmensen reduction of a ketone is carried out in the presence of which of the following ?

$\mathrm{C}$ and $\mathrm{D}$ are respectively

In the reaction

If one equivalent of each is taken, the major product will be

The number of total final products formed in given reaction

${\mathrm{CH}}_3-\mathrm{CHO}\underset{\mathrm{\Delta }}{\stackrel{{\mathrm{OH}}^{-}}{⟶}}$