JEE Main & Advanced
Chemistry
The s-Block Elements / s-ब्लॉक के तत्व
Question Bank
Mock Test - The s-Block Elements
question_answer
A metal M readily forms its sulphate \[MS{{O}_{4}}\]which is watersoluble. It forms its oxide MO which becomes inert on heating. It forms its insoluble hydroxide M\[{{(OH)}_{2}}\] which is soluble in NaOH solution. Then M is
A)Mg
B)Ba
C)Ca
D)Be
Correct Answer:
D
Solution :
[d] The solubility of hydroxides of alkaline earth metals in water increases on moving down the group.