A compound?A? on reaction with ?X? and ?Y? produces the same major product but differentby product?a? and ?b?. Oxidation of?a? gives a substance produced by ants.

?X? and ?Y? respectively are

(A) KMnO₄/H⁺ and dil. KMnO₄, 273 K

(B) KMnO₄(dilute), 273 Kand KMnO₄/H⁺

(C) KMnO₄/H⁺ and O₃, H₂O/Zn

(D) O₃, H₂O/Zn and KMnO₄/H⁺

CH3 CH3 HC=C-CH-C-CH3 CH3 Compound 'A' X Y CH3 CH3 a+O=C-CH,-C-CH3 I CH3 CH3 CH3 b+0=C-CH-C-CH3 I CH3