When a brown compound of manganese (i). is treated with {HCl} it gives a gas (ii). The gas taken in excess reacts with {NH}_{3} to give an explosive compound (iii).Identify compounds A, B and C.
When a brown compound of manganese (A) is treated with it gives a gas (B). The gas taken in excess reacts with to give an explosive compound (C). Identify compounds A, B and C.