Question

Identify solutions of the following salts as acidic, basic or neutral. Identify solutions of the following salts as acidic, basic or neutral.

NaCl

NaCN

NH4Br

KNO2

KOH

NH3

HF

KI

Answer 1

1)

NaCl is salt of Strong base (NaOH) and Strong acid (HCl)

Both acid and base are strong

So, the salt NaCl is neutral

2)

NaCN is salt of Strong base (NaOH) and weak acid (HCN)

Only base is strong

So, the salt NaCN is basic

3)

NH4Br is salt of weak base(NH3) and Strong acid (HBr)

Only acid is strong

So, the salt NH4Br is acidic

4)

KNO2 is salt of Strong base (KOH) and weak acid(HNO2)

Only base is strong

So, the salt KNO2 is basic

5)

KOH is strong base.

So, this is basic

6)

NH3 is weak base.

So, this is basic

7)

HF is weak acid.

So, this is acidic.

8)

KI is salt of Strong base (KOH) and Strong acid (HI)

Both acid and base are strong

So, the salt KI is neutral