Consider the functional groups given below
(I) Acids
(II) Acid halide
(III) Anhydride
(IV) Ether
Which of these functional groups can be reduced by ?
I, II, III only
II, III, IV only
I, II , IV only
I, II , III and IV
All of these functional groups can be reduced by to form alcohol.
Therefore, option (4) is correct.