Product will be:

How can you change propane nitrile to propanal?

Write the structural and IUPAC name of acetal.

Can be distinguished by

The enthalpy of neutralisation of oxalic acid by a strong base is $$-25k.cal{mol}^{-1}$$. The enthalpy of dissociation of 
$${H}_{2}{C}_{2}{O}_{4}\rightleftharpoons  2{H}^{+}+{C}_{2}{O}_{4}^{2-}$$