The oxidation state of potassium in KO2 is-

1. +2
2. +1
3. 0
4. +4

Subtopic:  Reasoning Questions |
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The 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




 

Subtopic:  Reasoning Questions |
 68%
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The 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



 

Subtopic:  Reasoning Questions |
 63%
From NCERT
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh