A compound ' X ' is a weak acid and it exhibits colour change at pH close to the equivalence point during neutralization of NaOH with $\mathrm{CH}_3 \mathrm{COOH}$. Compound ' $X$ ' exists in ionized form in basic medium. The compound ' $X$ ' is :
Select the correct option:
A
methyl orange
B
methyl red
C
phenolphthalein
D
erichrome Black T
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Phenolphthalein is weak acid give colour in basic medium.
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