Question

(b) When molten calcium chloride is electrolysed, calcium and chlorine are formed.

Construct equations for the two electrode reactions.

reaction at the negative electrode

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reaction at the positive electrode

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[2]

(c) Predict the products of the electrolysis of concentrated aqueous calcium chloride.

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(d) Explain, using ideas about structure and bonding, why calcium chloride has a high melting point.

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Answer 1

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