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The flow chart below shows a sequence of reactions starting with iron. Study it and answer the questions that follow.

      

The flow chart below shows a sequence of reactions starting with iron. Study it and answer the questions that follow.
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(i) Name the reagent and state the condition for the reaction in step I.
(ii) Give the name of the following: (I). Solid S (II) Solid V (III) Solid T
(iii) Give reasons for the colour change in step 2.

  

Answers


John
(i) Reagent - Chlorine, Condition - Heat

(ii) Solid S - iron (III) oxide, Solid V - iron (II) sulphide, Solid T - Carbon

(iii) Hydrogen peroxide oxides Fe2+ to Fe3+ which is responsible for the yellow colour.
johnmulu answered the question on May 16, 2017 at 12:49


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