Question

Which of the following statements are correct for alkali metal compounds?
I. Superoxides are paramagetic in nature.
II. The basic strength of hydroxides increases down the group.
III. The conductivity of chlorides in their aqueous solutions decreases down the group.
IV. The basic natuer of carbonates in aqueous solution is due to cationic hydrolysis.
A. I,II and III
B. I and II
C. II,III and IV
D. III and IV

Answer 1

Correct Answer - b
The conductivity of alkali metal chlorides in their aqueous solution increaes on moving down the group and basic nature of carbonates in aqueous solution is due to anionic hydrolysis.