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Question
A gas ‘P’ gives dense white fumes with chlorine. Its aqueous solution gives a blue colour with copper (II) hydroxide.
- Name the gas P.
- Give its formula.
- Give three uses of P.
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Solution
(a) The gas is ammonia.
(b) The formula is NH3.
(c) Uses of ammonia:
- It is used in the industrial preparation of nitric acid by Ostwald process.
- It is used in the manufacture of fertilizers such as ammonium sulphate, ammonium nitrate, and ammonium phosphate.
- It is used in the manufacture of sodium carbonate by the Solvay process.
\[\ce{NaCl + NH3 + CO2 + H2O → NaHCO3 + NH4Cl}\]
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RELATED QUESTIONS
Name the following
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A compound which undergoes thermal dissociation.
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