Chemistry
(a) Of the two gases, ammonia and hydrogen chloride, which is more dense? Name the method of collection of this gas.
(b) Give one example of a reaction between the above two gases which produces a solid compound.
(c) Write a balanced equation for a reaction in which ammonia is oxidized by:
(i) a metal oxide
(ii) a gas which is not oxygen.
Ammonia
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Answer
(a) HCl gas is denser as it's vapour density = 18.25, and that of ammonia is 8.5. HCl gas is collected by the upward displacement of air.
(b) NH3 + HCl ⟶ NH4Cl
(c) (i) 2NH3 + 3CuO ⟶ 3Cu + 3H2O + N2 ↑
(ii) NH3 + 3Cl2 ⟶ 3HCl + NCl3 ↑
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Related Questions
Write the equation for the action of heat on:
(a) Ammonium chloride
(b) Ammonium nitrate
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(a) Which feature of ammonia molecule leads to the formation of the ammonium ion when ammonia dissolves in water?
(b) Name the other ion formed when ammonia dissolves in water.
(c) Give one test that can be used to detect the presence of the ion produced in (b).
Study the flow chart given and give balanced equations to represent the reactions A, B and C.
3\text{N}2 \xrightarrow{\text{A}} \text{NH}3 \xtofrom[\text{C}]{\text{B}} \text{NH}4\text{Cl}
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(b) Give a balanced equation: Ammonium hydroxide is added to ferrous sulphate solution.
(c) Write observations: Ammonia gas is passed over heated copper (II) oxide.