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Phenolphthalein does not act as an indic...

Phenolphthalein does not act as an indicator for the titration between

A

NaOH and `CH_(3)COOH`

B

`H_(2)C_(2)O_(4) and KMnO_(4)`

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
Phenolphthalein act as an indicator for strong acid vs. strong base or weak acid vs. strong base.
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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

ERRORLESS-IONIC EQUILIBRIUM-NCERT BASED QUESTIONS (HYDROGEN ION CONCENTRATION- PH SCALE AND BUFFER SOLUTION)
  1. The ratio of volumes of CH(3)COOH0.1 (N) to CH(3)COONa 0.1 (N) require...

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  2. Calculate the amount of (NH(4))(2)SO(4) in grams which must be added t...

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  3. If 50ml of 0.2 M KOH is added to 40 ml of 0.5 M HCOOH, the pH of the r...

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  4. A weak acid of dissociation constant 10^(-5) is being titrated with aq...

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  5. Which of the following will produce a buffer solution when mixed in eq...

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  6. A certain buffer solution contains equal concentartion of X^(Theta) an...

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  7. Which one is buffer solution

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  8. Which buffer solution out of the following will have pH gt 7?

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  9. 1xx10^(-3)mole of HCl is added to a buffer solution made up of 0.01 M ...

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  10. 0.01 mole of NaOH is added to 1 litre of a buffer solution which cont...

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  11. Why are strong acids generally used as standard solutions in acid-base...

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  12. The suitable for strong acid and weak base is

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  13. The indicator used in the titration of iodine against sodium thiosulph...

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  14. Phenolphthalein does not act as an indicator for the titration between

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  15. The indicator used in the titration of sodium carbonate with sulphuric...

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  16. 20mL of 0.5 M HCl and 35 mL of 0.1 N NaOH are mixed. The resulting sol...

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  17. An aqueous solution of HCl has a pH of 2.0 When water is added to incr...

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  18. The PK(a) of a weak acid is 5.85. The concentrations of the acid and i...

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  19. The pH of 1.0 aqueous solution of NaCL,CH(3)COONa" and "NH(4)Cl will f...

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  20. The pH of 1N aqueous solutions HCl,CH(3)COOH and HCOOH follows the ord...

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