When branched chain isomer of the hydrocarbon with molecular mass 72 u gives only one isomer of monosubstituted alkyl halide ?

When branched chain isomer of the hydrocarbon with molecular mass 72 u

1.	When branched chain isomer of the hydrocarbon with molecular mass 72 u gives only one isomer of monosubstituted alkyl halide ?
Answer» Neopentane Isohexane Neohexane Tertiary BUTYL CHLORIDE Solution :All the 12 hydrogen atoms in neopentane `(C_5H_12)` are EQUIVALENT and hence GIVES only one isomer of ALKYL halide.