Question

A metal salt mx when exposed to light splits upto to form metal m and gas x2. metal m is used to make ornaments whereas gas x2 is used in making bleaching powder. the salt mx is used in black & white photography. (a) identify the metal m and gas x2. (b) identify mx. (c) write down the chemical reaction when salt mx is exposed to sunlight

Answer 1

(a) Metal M = Silver and gas X2 is chlorine gas.
(b)MX is Silver chloride
(c) 2Agcl ---photolytic decomposition ----> 2Ag +Cl2

Answer 2

(A) the metal m is silver (ag) and gas is chlorine (cl2) .

(B) mx is silver chloride.

(C) the chemical reaction is Decomposition reaction.

2agcl (s) .......2ag +cl2.