Question

Give equations for the decomposition of a metallic (i) chloride (ii) nitrate with conc. H2SO4.

July 30, 2024

Answer

(i) Decomposition of a metallic chloride —

${\overset{<200^o\ C}{\longrightarrow}} NaHSO4 + HCl$

(ii) Decomposition of a metallic nitrate with conc. H₂SO₄ —

${\overset{<200^o\ C}{\longrightarrow}} NaHSO4 + HNO3$

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💡 Some Related Questions

The questions below refers to the following salt solutions listed A to F:
A: Copper nitrate
B: Iron [II] sulphate
C: Iron [III] chloride
D: Lead nitrate
E: Magnesium sulphate
F: Zinc chloride
(i) Which soln. becomes a deep/inky blue colour when excess of ammonium hydroxide is added to it.
(ii) Which solution gives a white precipitate with excess ammonium hydroxide solution.

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Give reasons for the following:
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The diagram represents the preparation of sodium sulphate salt from dil. H2SO4 acid and sodium hydroxide.

1. Name the apparatus ‘A’.
2. Name the substance ‘X’ placed in ‘A’ and the substance ‘Y’ placed in B.
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Give balanced equations for the preparation of the following salts:
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State which of the following methods is generally used for preparing the salts 1 to 5 given below:
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B: Neutralisation — alkali and dil. acid
C: Simple displacement — active metal and dil. acid
D: Direct combination
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2. Zn(NO3)2
3. NaCl
4. Cu(NO3)2
5. FeS

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