(A) & (B) are isomers , Isomer (B) is :

(A) & (B) are isomers. Product (B) is :

, (A) & (B) are isomers. Product (B) is : Dewar's Benzene

The isomer

(A) and (B) are isomer Identify (B).

The isomer is

I) (A) and (B) are diastereomers II) (B) and (D) are enantiomers III) (A) and (D) are geometric isomer IV) (A) and ( C ) are optical isomer

Are they isomers?

(A) and (B) are: (A) Chain isomers (B) Functional isomers (C) Metamers (D) Positional isomers