In which of the following reactions conc. H2SO4 is used as an oxidising reagent?
(i) CaF2 + H2SO4 ⎯→ CaSO4 + 2HF
(ii) 2HI + H2SO4 ⎯→ I2 + SO2 + 2H2O
(iii) Cu + 2H2SO4 ⎯→ CuSO4 + SO2 + 2H2O
(iv) NaCl + H2SO4 ⎯→ NaHSO4 + HCl


NCERT Class XII
Chemistry - Exemplar Problems

Chapter 7. The p-block elements

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Answers

  • Brainly User
2015-06-26T13:44:05+05:30
(ii) 2HI + H2SO4 → I2 + SO2 + 2H2O (iii) Cu + 2H2SO4 → CuSO4 + SO2 + 2H2O - Are the answers
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