The action of heat on the blue crystalline solid A, gives a reddish brown gas B, a gas which re-lights a glowing splint and leaves a black residue. When gas C, which has a rotten egg smell, is passed through a solution of A, a black ppt. is formed. (a) Identify A, B and C (b) Write an equation for the action of heat on A. (c) Write equation between solution of A and gas C. [5 MARKS]

The action of heat on the blue crystalline solid A, gives a reddish br

1.	The action of heat on the blue crystalline solid A, gives a reddish brown gas B, a gas which re-lights a glowing splint and leaves a black residue. When gas C, which has a rotten egg smell, is passed through a solution of A, a black ppt. is formed. (a) Identify A, B and C (b) Write an equation for the action of heat on A. (c) Write equation between solution of A and gas C. [5 MARKS]
Answer» The action of heat on the blue crystalline solid A, gives a reddish brown gas B, a gas which re-lights a glowing splint and leaves a black residue. When gas C, which has a rotten egg smell, is passed through a solution of A, a black ppt. is formed. (a) Identify A, B and C (b) Write an equation for the action of heat on A. (c) Write equation between solution of A and gas C. [5 MARKS]