Phenolphthalein is not suitable for the titration of
- A$NaOH$ $vs$ $(COOH)_2$
- B$KOH$ $vs$ $H_2SO_4$
- C$K_2CO_3$ $vs$ $HCl$
- D$None \, of \, these$
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Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$: Phenolphthalein is a $pH$ dependent indicator,remains colourless in acidic solution and gives pink colour in basic medium.
Reason $R$: Phenolphthalein is a weak acid. It doesn't dissociate in basic medium.
In the light of the above statements,choose the most appropriate answer from the options given below.
Assertion $A$: Phenolphthalein is a $pH$ dependent indicator,remains colourless in acidic solution and gives pink colour in basic medium.
Reason $R$: Phenolphthalein is a weak acid. It doesn't dissociate in basic medium.
In the light of the above statements,choose the most appropriate answer from the options given below.
Which indicator is useful for the titration of a weak acid and a strong base?
Easy
View SolutionThe different colours of litmus in acidic,neutral and basic solutions are,respectively.
Starch can be used as an indicator for the detection of traces of
Medium
View SolutionWhich indicator is suitable for the titration of $NaOH$ and oxalic acid?
Easy
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