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Phenolphalein does not act as an indicat...

Phenolphalein does not act as an indicator for the titration between

A

NaOH against oxialic acid

B

NaOH against HCl

C

Ferrous sulphate against `KMnO_(4)`

D

NaOH against `H_(2)SO_(4)`

Text Solution

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The correct Answer is:
C
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