JEE Main Chemistry question

Chemistry Equilibrium JEE Main

The solubility of Al(OH)₃ is 's' mol per litre, the solubility product of Al(OH)₃ is:

(A)s³
(B)27s⁴Correct
(C)s²
(D)4s²

Answer: (B)

Solution

Al(OH)₃⇌Al³⁺+3OH⁻; Ksp=s(3s)³=27s⁴.

Question ID VK-136271