JEE Main202125 Jul 2021Morning ShiftChemistrys Block ElementsActual
Given below are two statements: Statement I : None of the alkaline earth metal hydroxides dissolve in alkali. Srtatement II : Solubility of alkaline earth metal hydroxides in water increases down the group. In the light of the above statements, choose the most appropriate answer from the options given below:
Options
- AStatement I is correct but Statement II is incorrect.
- BStatement I is incorrect but Statement II is correct.
- CStatement I and Statement II both are incorrect.
- DStatement I and Statement II both are correct.
Correct answer
B. Statement I is incorrect but Statement II is correct.
Step-by-step solution
Statement-I is incorrect Be OH 2 dissolve in alkali due to it's amphoteric nature. Statement-II is correct Solubility of alkaline earth metal hydroxide in water increases down the group due to rapid decreases in lattice energy as compared to hydration energy.