A metal salt MX when exposed to light splits up to form metal M and a gas `X_(2)` . Metal M is used
Channel: Doubtnut
Date: 2020-01-26

A metal salt MX when exposed to light splits up to form metal M and a gas `X_(2)` . Metal M is used in making ornaments whereas gas `X_(2)` is used in making bleaching powder. The salt MX is itself used in black and white photography. (a) What do you think metal M is ? (b) What could be gas `X_(2)` ? (c) Name the metal salt MX. (d) Name any two salt solutions which on mixing together can produce a precipitate of salt MX. (e) What type of chemical reaction takes place when salt MX is exposed to light ? Write the equation of the reaction.