1. Tardigrade
  2. Question
  3. Chemistry
  4. Given below are two statements: Statement I: None of the alkaline earth metal hydroxides dissolve in alkali. Statement 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 :

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Q. Given below are two statements :
Statement I: None of the alkaline earth metal hydroxides dissolve in alkali.
Statement 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 :

JEE MainJEE Main 2021The s-Block Elements

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.