Phenolphthalein is not suitable for the ...

Phenolphthalein is not suitable for the titration of

`NaOH` vs `(COOH)_(2)`

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

`K_(2)CO_(3)` vs HCl

None of these

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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

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.

Which indicator is suitable for the titrations: {:("Titration",,"Indicator",,),(i.HCOOH//NaOH,,(A)"Bromothymol blue or phenolphtalein or methy1 orange or thymolphthalein.",,),(ii.HBr//KOH,,(B)"Methy1 orange or methy1 red or bromocresol green",,),(ii.NH_(4)OH//NHO_(3),,(C)"Phenolphthalein or thymolphtalein",,):}

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