13.What reactants are required to achieve the following transformation? 1.PBrs 2.NaCN 1.NaCN 2.H2S04 2.HCN 1.s0C2 2.KCN 1.Br2,hv 2.KCN Ans:E Page7Page 7 13. What reactants are required to achieve the following transformation? CN ? A) 1. PBr3 2. NaCN B) C) 1. Br2, hν 2. HCN D) 1. SOCl2 2. KCN E) 1. Br2, hν 2. KCN Ans: E