Write balanced chemical equations to show:

ICSE Class 10 Chemistry PYQ · 2017 Paper · Section II

4(b)Written · 2017 · Section II · 2017 Paper

Write balanced chemical equations to show:

(i) The oxidizing action of conc. Sulphuric acid on Carbon.

(ii) The behavior of H2SO4 as an acid when it reacts with Magnesium.

(iii) The dehydrating property of conc. Sulphuric acid with sugar.

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(i) C + 2H2SO4 (conc.) ⟶ CO2 + 2SO2 + 2H2O

(ii) Mg + H2SO4 (dil.) ⟶ MgSO4 + H2 (g)

(iii) $\text{C}_{12}\text{H}_{22}\text{O}_{11}\xrightarrow{\text{Conc. H}_2\text{SO}_4} \text{12C} \small{\space[sugar\space charcoal]} + \text{11H}_2\text{O}$

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