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Phenolphthalein does not act as an indic...

Phenolphthalein does not act as an indicator for the titration between :-

A

`KOH and H_(2)SO_(4)`

B

`Ba(OH)_(2) and HCl`

C

NaOH and acetic acid

D

HBr and `NH_(4)OH`

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Phenolphalein does not act as an indicator for the titration between

Assign for the following : (i) An aqueous of NaCI is neutral (ii) NH_(3) is a Lewis as well as Bronsted base. (iii) Phenolphthalein is not a suitable indicator for titration between HCI against NH_(4)OH. (iv) pH value of an aqueous 10^(-2) M acetic acid solution is not 2.

(A) In general phenolphthalein is used as an indicator for the titration of weak acid (CH_(3)COOH) and strong base (NaOH). (R) At equivalence point solution is basic.

Statement 1: Methyl orange is suitable indicator for titration of strong acid and weak base Statement 2: Phenolphthalein is not suitable indicator for titration of acetic acid and NaOH

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