Questions-block / alkali metals in liquid NH₃
Liquid ammonia as a solvent dissolves all alkali metals by solvating metal ions and electrons. However NH₃ itself is not reduced by the solvated electrons present in the solution. This is because :
- (a) Solvated electrons lose their reducing power
- (b) Ammonia binds to solvated metal ions and therefore cannot accept electrons
- (c) Nitrogen atom in ammonia is already in lowest possible oxidation state
- (d) Ammonia has electron donor properties
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