JEE Main 2024 Chemistry question
Given below are two statements: Statement (I): Potassium hydrogen phthalate is a primary standard for standardisation of sodium hydroxide solution. Statement (II): In this titration phenolphthalein can be used as indicator. In the light of the above statements, choose the most appropriate answer from the options given below.
Answer: (B)
Solution
KHP is a stable primary standard; the weak acid–strong base end point lies in phenolphthalein's range.