Match the column I with column II and mark the appropriate choice. Column I Column II (A)…
Chemistry · Class 12 · CBSE — Electrochemistry
Match the column I with column II and mark the appropriate choice.
| Column I | Column II | ||
(A) |
Pb(s) + SO42–(aq) → PbSO4(s)+2e– |
(i) |
Rusting of iron |
(B) |
2SO2–4(aq) → S2O2–8(aq) + 2e– |
(ii) |
Reaction at anode in lead storage battery |
(C) |
2H2(g) + 4OH–(aq) → 4H2O(l) + 4e– |
(iii) |
Electrolysis of concentrated H2SO4 |
(D) |
2Fe(s) + O2(g) + 4H+(aq) → 2Fe2+(aq) + 2H2O(l) |
(iv) |
Reaction at anode in fuel cell |
- (A) → (i), (B) → (ii), (C) → (iii), (D) → (iv)
- (A) → (ii), (B) → (iii), (C) → (iv), (D) → (i)
- (A) → (iii), (B) → (iv), (C) → (i), (D) → (ii)
- (A) → (iv), (B) → (i), (C) → (ii), (D) → (iii)
Answer
(B) (A) → (ii), (B) → (iii), (C) → (iv), (D) → (i)
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