Why is calcium hydroxide used in excess in the lab preparation of ammonia?
Dear student,
NH3 i.e, ammonia has high affinity towards water and is soluble in water. Calcium hydroxide gets converted to calcium oxide which absorbs moisture and helps in extracting ammonia in its dried form.
NH3 i.e, ammonia has high affinity towards water and is soluble in water. Calcium hydroxide gets converted to calcium oxide which absorbs moisture and helps in extracting ammonia in its dried form.
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