1.

Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reaction (a) to (e). Some properties may be repeated.A. AcidB. Dehydrating agentC. Non-volatile acidD. Oxidizing agent(a) C12H22O11 + nH2SO4 → 12C + 11H2O + nH2SO4(b) S + 2H2SO4 → 3SO2 + 2H2O(c) NaCl + 2H2SO4 → NaHSO4 + HCl(d) CuO + 2H2SO4 → CuSO4 + H2O(e) Na2CO3 + H2SO4 → Na2SO4 + H2O + CO2

Answer»

Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reaction (a) to (e). Some properties may be repeated.

A. Acid

B. Dehydrating agent

C. Non-volatile acid

D. Oxidizing agent

(a) C12H22O11 + nH2SO4 12C + 11H2O + nH2SO4

(b) S + 2H2SO4 3SO2 + 2H2O

(c) NaCl + 2H2SO4 NaHSO4 + HCl

(d) CuO + 2H2SO4 CuSO4 + H2O

(e) Na2CO3 + H2SO4 Na2SO4 + H2O + CO2



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