Question

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.
(i) What do you think metal M is?
(ii) What could be gas X
2?
(iii) Name the metal salt MX.
(iv) Name any two salt solutions which on mixing together can produce a precipitate of
salt MX.
(v) What type of chemical reaction takes place when salt MX is exposed to light? Write
the equation of the reaction?

Answer 1

Answer:

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Explanation:

Decomposition reaction

(c) The metal salt MX is Silver chloride, AgCl. (d) The two salt solutions which on mixing together can produce a precipitate of salt MX is Silver nitrate, AgNO3 and Sodium chloride, NaCl. (e) The type of chemical reaction that takes place when salt MX is exposed to light is known as the Decomposition reaction.

Answer 2

Answer:

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