Q3) Write the balanced equations of the following:
i) Manganese [IV]oxide + Hydrochloric acid → Manganese [II] chloride + water + chlorine.
ii) Potassium hydroxide + Chlorine → Potassium chloride + Potassium hypochloride + Water. iii) Ammonium dichromate → Chromium oxide + Water + Nitrogen.
iv) Iron[III]chloride + Water + Sulphur dioxide →Iron[II] chloride + Sulphuric acid + Hydrochloric acid.
v) Sodium bicarbonate + Aluminium sulphate → Sodium sulphate + Aluminium hydroxide + Carbondioxide
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Answer:
(a) Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water
Ca(OH)
2
+CO
2
→CaCO
3
+H
2
O
(b) Zinc + Silver nitrate → Zinc nitrate + Silver
Zn+2AgNO
3
→Zn(NO
3
)
2
+2Ag
(c) Aluminium + Copper chloride → Aluminium chloride + Copper
2Al+3CuCl
2
→2AlCl
3
+3Cu
(d) Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride
BaCl
2
+K
2
SO
4
→BaSO
4
+2KCl
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