Question

C5H11Br+NaCN →A −→−H3O+ B+NaOH −→CaO B+NaCN →A →H3O+ B+NaOH →CaO C 'C' has the formula C5H12 which can give four structural isomeric monochloro derivative. What is the structure of C5H11Br?

Answer 1

 Four structural isomeric monochloro derivatives of C5H12 are:

Then the structure of C5H12 is