The reaction of aqueous KMnO4 with H2O2 in acidic condition gives:
1. Mn4+ and O2
2. Mn2+ and O2
3. Mn2+ and O3
4. Mn4+ and MnO2

Subtopic:  H2O2 (Hydrogen Peroxide) |
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The ease of adsorption of the hydrated alkali metal ions on ion-exchange resins follows the order

1. Li+<K+<Na+<Rb+

2. Rb+<K+<Na+<Li+

3. K+<Na+<Rb+<Li+

4. Na+<Li+<K+<Rb+

Subtopic:  Hard & Soft Water |
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Some statements about water are given below:

(a) Heavy water is used as a moderator in nuclear reactors.
(b) Heavy water is more associated than ordinary water.
(c) Heavy water is a more effective solvent than ordinary water.

Which of the above statements are correct?

1. (a), (b) and (c)

2. (b) and (c)

3. (a) and (c)

4. (a) and (b)

Subtopic:  Hydrogen- Types & Isotopes |
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