Analytical Chemistry Question 67

Question: If $ N{a^{+}} $ ion and $ {S^{2-}} $ ion is larger than $ C{l^{-}} $ ion, which of the following will be least soluble in water

[AMU (Engg.) 1999]

Options:

A) $ MgS $

B) $ NaCl $

C) $ Na_2S $

D) $ MgCl_2 $

Show Answer

Answer:

Correct Answer: A

Solution:

$ \underset{Solubilitydecreasingorder}{\mathop{\xrightarrow{NaCl>MgCl_2>Na_2S>MgS}}} $