Question

5. When a green iron salt is heated strongly, its color finally changes to black and odour of burning sulphur is given out.
(i) Name the iron salt.
(ii) Name the type of reaction that takes place during the heating of iron salt.
(iii) Write the balanced chemical equation for the reaction involved.
(iv) What is the nature of gases produced?

Answer 1

Answer:

The iron sulphate decomposes to give Iron(III)oxide, sulphur dioxide and sulphur trioxide. c)The chemical equation. The burning sulphur smell is due to the sulphur oxides while the black compound is ferric oxide; which can have varied colors ranging between brown, red, yellow or orange color.

Explanation:

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