Question

Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of:

Answer 1

Answer:

When ammonia reacts with Sodium metal

Sodium in ammonia can react in two way:

1. in the absence of iron (III) catalyst:

the sodium metal gets dissolved in liquid ammonia. The result is a blue solution due to solvated electrons. This is the basis of the Birch Reduction reaction in the presence of alcohol.

2. In the presence of a bit of iron (III) catalyst:

Ammonia gas reacts with sodium metal to form sodium amide (NaNH   ) and hydrogen gas.

in the presence of a bit of an iron(III) catalyst, otherwise its a blue solution only.

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