Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-fact-Hard-Class 12
What is the oxidation half-reaction for the corrosion of iron in the atmosphere?
A
Fe (s) → Fe 2+ (aq) + 2e –
B
O 2 (g) + 4H + (aq) + 4e – → 2H 2 O(l)
C
Fe 2+ (aq) + 2e – → Fe (s)
D
2H 2 O(l) → O 2 (g) + 4H + (aq) + 4e –
Correct Answer
Option A
Detailed Explanation
The oxidation half-reaction for the corrosion of iron is represented as Fe (s) → Fe 2+ (aq) + 2e –, indicating the loss of electrons from iron which leads to its oxidation.
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