Y,
Product 'Y' is :

In the reaction 2(CH_3)_2CO overset(OH^(-))to X underset((ii) H_3O^(+))overset((i)I_2NaOH)to Y , the product Y is :

(CH_(3))_(3)C CI overset(alc.KOH)underset(Delta)rarr X overset(CF_(3)CO_(3)H)rarr Y The product 'Y' is

The product Y is :

overset(Hbr)rarr (X) overset(Nal)underset("acetone")rarr(Y) (Major), Product (Y) is :