Question

Mention the Ph of aqueous solution of following salts as 7,more than 7 or less than 7 1. Potassium chloride. 2.sodium carbonate. 3. Ammonium sulphate. 4. Sodium nitrate

Answer 1

1. As Potassium chloride salt is produced by strong acid HCl and strong base like KOH. so it is neutral salt. Its PH value is 7.
2. sodium Carbonate is a basic salt so its PH value is greater than 7
3. Ammonium suplhate is a acidic salt formed by Weak base NH3 and strong acid  H2SO4.So its PH Value is > 7.
4. sodium nitrate is neutral salt hence its Ph is equal to 7.

Answer 2

Answer:

1. pH equal to 7

2. pH more than 7

3. pH less than 7

4. pH equal to 7