Diborane reacts with ammonia under different conditions to give a variety of products. Which one among the following is not fomed in these conditions?

Diborane (B₂H₆) doesn’t react with ammonia to form B₁₂H₁₂ . 2 6 3 2 6 3 2 6 3 3 3 6 2 2 6 3 n B H 2NH B H .2NH B H 6NH 2B N H 12H B H excess NH BN + ® + ® + + ®