Question

Disodium potassium phosphate is a/ an :

• A. acid
• B. mixed salt
• C. complex salt
• D. double salt

Answer 1

The correct option is B mixed salt

Disodium potassium phosphate is a mixed salt
Mixed salt is a salt obtained from more than one base or more than one acid. It is also called double salt.
Disodium potassium phosphate is $N{a}_{2}KP{O}_4$. It is obtained from two bases $NaOH$ and $KOH$ and one acid $H_{3}P{O}_4$