Various products formed on oxidation of 2, 5-dimethylhexan-3-one are
(i)`CH_(3)-underset(CH_(3))underset(|)(CH)-COOH`
(i) `CH_(3)-underset(CH_(3))underset(|)(CH)-CH_(2)-COOH`
(iii) `CH_(3)COOH`
(iv)HCOOH
A. (i) and (iii)
B. (i), (ii) and (iii)
C. (i) , (ii), (iii) and (iv)
D. (iii) and (iv)