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Solution of a substance X changes its co...

Solution of a substance X changes its colour to pink when Phenolphthalein is added to it. Solution of another substance Y change its colour to yellow on adding methyl orange as shown in the figure below:

Identify the correct nature of solutions of X and Y:

A

Both X and Y are basic

B

X is basic and Y is acidic

C

X is acidic and Y is basic

D

Both X and Y are acidic

Text Solution

Verified by Experts

The correct Answer is:
A
Explanation: Phenolphthalein is a synthetic indicator that changes colour of a basic solution to pink but remains colourless in acidic solution.
Methyl orange is another synthetic indicator that changes colour of solution to yellow in basic medium and red in acidic medium.
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