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JEE Advanced levelSingle correct optionDifficulty 3 of 3bn149

Arrange the following anions by INCREASING oxidation number of the central atom: (i) hypochlorite, (ii) nitrite, (iii) chlorate, (iv) sulfate, (v) permanganate.

  1. A(i) < (ii) < (iii) < (iv) < (v)
  2. B(ii) < (i) < (iii) < (iv) < (v)
  3. C(i) < (ii) < (iii) < (v) < (iv)
  4. D(i) < (iii) < (ii) < (iv) < (v)

Answer: A

Hypochlorite : Cl . Nitrite : N . Chlorate : Cl . Sulfate: S . Permanganate: Mn . So (i) < (ii) < (iii) < (iv) < (v).
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