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Phenolphthalein is most suitable indicat...

Phenolphthalein is most suitable indicator for the titration of

A

`CH_(3)COOH and NH_(4)OH`

B

`CH_(3)COOH` and `Na OH`

C

HCl and `NH_(4)OH`

D

`H_(2)CO_(3)` and `NH_(4)OH`

Text Solution

Verified by Experts

The correct Answer is:
B
This is a combination of weak acid and strong base, titration curve is steepest a little above 7 pH = , phenolphthalein is a suitable indicator.
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