`overset(" CHO")underset(" CHO")("|")overset(NaOH)toX`
The product (X) will be

CH_3 -CH_2 -underset( O) underset(||) C - CHO overset( NaBH_4) to Product (s) in the above reaction is (are)

In the given reaction sequence Ph-CH_(2)-CHO overset(NaOH)to overset(Delta)to overset(H_(2)//Ni)to (X) Product (X) will be

In the given reaction sequence Ph-CH_(2)-CHO overset(NaOH)to overset(Delta)to overset(H_(2)//Ni)to (X) Product (X) will be