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0.1M solution of which of the substances...

`0.1M` solution of which of the substances will behave basic?

A

Sodium borate

B

Ammonium ditoride

C

Calcium nitrate

D

Sodium sulphate

Text Solution

Verified by Experts

The correct Answer is:
A
Salt of `S_(B)//W_(A)` will be basic.
a. Sodium borate, salt of `S_(B)//W_(A) (NaOH +H_(3)BO_(3))`. It given basic solution.
b. `NH_(4)CI`, salt of `w_(B)//S_(A), (NH_(4)OH +HCI)`. It hydrolyses and given acidic solution.
c. `Ca(NO_(3))_(2)`, salt of `w_(B)//S_(A)`.
`[Ca(OH)_(2)+HNO_(3))`, and gives acidic solution.
d. `Na_(2)SO_(4)`, salt of `S_(A)//S_(B)`, which do not hydrolyses, gives neutral solution with `pH =7`.
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