Question

Name the solid residual product formed in each reaction and state its colour during thermal decomposition of the following substance. [1] (i) Ammonium dichromate (ii) Ferric hydroxide

Answer 1

Name the solid residual product formed in each reaction and state its colour during thermal decomposition of the following substance. [1] (i) Ammonium dichromate (ii) Ferric hydroxide

Explanation:

• The solid residual product when thermal decomposition of ammonium dichromate occurs is Chromium(III) oxide ( CrO ) . The color of CrO  will be green

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