Question

A metal salt MX when exposed to light splits up to form metal M and
gas X. Metal M is used to make ornaments whereas gas X, is used
in making bleaching powder. The salt MX is used in black & white
photography
(a) Identify the metal M and gas X,
(b) Identify MX.
(c) Write down the chemical reaction when salt MX is exposed to
sunlight.​

Answer 1

Answer:

Metal is silver and gas is bromine.

MX will be silver bromide.

Reaction is

Ag+Br2 gives AgBr.

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