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Reduction potential of ions are given below: V 74 . 1 E V 65 . 1 E V 19 . 1 E BrO IO ClO o o o 4 4 4 = = = − − − The correction order of their oxidising power is

1. − 4 IO > − 4 BrO > − 4 ClO
2. − 4 BrO > − 4 IO > − 4 ClO
3. − 4 ClO > − 4 IO > − 4 BrO
4. − 4 BrO > − 4 ClO > − 4 IO CAREER POINT CAREER POINT Ltd., CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 081-47250011 www.careerpoint.ac.in 12 JEE Main Online Paper

Correct answer: − 4 BrO > − 4 IO > − 4 ClO

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