Molecular formula C_(4)H_(6) have two position isomers A and B. both A and B isomer decolourised the bromine water. B release H_(2) gas with sodium metal but isomer a does not release H_2 gas. Write IUPAC name of A and B

Molecular formula C_(4)H_(6) have two position isomers A and B. both A

1.	Molecular formula C_(4)H_(6) have two position isomers A and B. both A and B isomer decolourised the bromine water. B release H_(2) gas with sodium metal but isomer a does not release H_2 gas. Write IUPAC name of A and B
Answer» ANSWER :`A=CH_(3)-C-=C-CH_(3)` (But-2-yne); `B =CH_(3)-CH_(2)-C-=CH` (Bytyne )