The oxidation state of potassium in KO2 is-
1. +2
2. +1
3. 0
4. +4
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe solubility of alkaline earth metal hydroxides in water increases down the group because-
1. | Down the group both lattice and hydration energy increase. |
2. | Down the group lattice energy increases and hydration energy decreases |
3. | Down the group lattice enthalpy decreases much more than the hydration enthalpy |
4. | None of the above |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct statement above the following is -
1. | The solubility of alkaline earth metal carbonates and sulphates in water decrease down the group |
2. | The solubility of alkaline earth metal carbonates increase and sulphates in water decrease down the group |
3. | The solubility of alkaline earth metal carbonates decreases and sulphates in water increases down the group |
4. | The solubility of alkaline earth metal carbonates and sulphates in water increases down the group |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology