Which among the compounds of alkali metals undergo hydrolysis

$\begin{array}{1 1}(a)\;Halides&(b)\;Nitrates\\(c)\;Sulphates&(d)\;Carbonates\end{array}$

Alkyl Halides undergo hydrolysis because alkyl halide is $SP^3$ hybridized and All the bond is single and S-character is $25\%$
Halides.
Hence (a) is the correct answer.
edited Nov 23, 2017