S Block Elements Question 186

Question: $ Be{{(OH)}_2} $ is insoluble in water while $ Ba{{(OH)}_2} $ is highly soluble due to

[AMU 2002]

Options:

A) Bond order

B) Lattice energy difference

C) Common ion effect

D) Hard acid

Show Answer

Answer:

Correct Answer: B

Solution:

On moving down the group; Lattice energy decreases with increase in size of cation.