SATHEE: Analytical Chemistry Question 253

Analytical Chemistry Question 253

Question: The pink colour of phenolphthalein in alkaline medium is

[CPMT 1990]

Options:

A) Due to negative form of the ion

B) Due to positive reinforcement

C) Due to $ OH^{-} $ ions

D) Due to neutral form

Show Answer

Answer:

Correct Answer: D

Solution:

Here KMnO4 itself acts as an indicator.

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Analytical Chemistry Question 253

Question: The pink colour of phenolphthalein in alkaline medium is

Options:

Answer:

Solution:

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