`(CH_(3))_(2) CHOH overset ("Mild") underset ("oxidation"[0]) to (X) overset ((i) CH_(3)Mgl) underset ((ii) "hydrogen") to (Y)`
In the above sequence of reaction. (Y) is:
A. Isobutyl alcohol
B. n-Butyl alcohol
C. Tratiary butyl alcohol
D. Isobutylene