An alkyl halide of formula `C_6 H_13 Br` on treatment with potassium t-butoxide gives two isomeric alkenes dimethy butane. Isomeric alkene are :

An alkyl halide X of formula of C_6H_13Cl on treatment with potassium tertiary butoxide gives two isomeric alkenes Y and Z (C_6H_(12)) Both alkenes on hydrogenation gives 2, 3-dimethyl butane. Predict structure of X, Y and Z.

An alkyl halide (A) of formula C_(6)H_(11)Cl on treatement with potassium tertiary butoxide gives two isomeric alkenes (B) and (C) C_(6)H_(10) . Both alkene on hydrogenation give methylcyclopentane. Predict the structure of (A), (B) and (C).

An alkyl halide (A) of formula C_(6)H_(11)Cl on treatement with potassium tertiary butoxie gives two isomeric alkenes (B) and (C) C_(6)H_(10) . Both alkene on hydrogenation give methycyclopentane. Predict the structure of (A), (B) and (C).

An alkyl halide (A) of formula C_(6)H_(11)CI on treatement with potassium tertiary butoxie gives two isomeric alkenes (B) and (C) C_(6)H_(10) . Both alkene on hydrogenation give methycyclopentane. Predict the structure of (A), (B) and (C).