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The diagram below represents a mercury cell chlor-alkali process that can be used in the industrial manufacture of sodium hydroxide. Study it and answer the...

The diagram below represents a mercury cell chlor-alkali process that can be used in the industrial manufacture of sodium hydroxide. Study it and answer the questions that follow.

Q71682019245.png

(a) (i) Name the raw materials introduced at 1 and 2.

(ii) Identify a substance that can be used as anode.

(iii) Write equations for the reactions taking place at:

Cathode

Decomposer

(iv) How is the aqueous sodium hydroxide purified?

Answers


Maurice
(i) -Brine (concentrated sodium chloride)
-Water

(ii) Graphite or Titanium


(iii) Cathode:Q71682019256.png


Decomposer:Q71682019300.png


(iv) By evaporating the water to obtain pellets or flakes.
maurice.mutuku answered the question on August 16, 2019 at 12:03

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