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Ionisable and Non-Ionisable Compounds

Phenolphthale...

Question

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

A

K O H

and

H_{2} {S O}_{4}

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B

N a O H

and

{C H}_{3} C O O H

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C

oxalic acid and

K M n O_{4}

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D

B a {(O H)}_{2}

and

H C l

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Solution

The correct option is C oxalic acid and $K M n O_{4}$

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Similar questions

Q. (A) In general phenolphthalein is used as an indicator for the titration of weak acid

(C H_{3} C O O H)

and strong base (NaOH).
(R) At equivalence point solution is basic.

Q. Amount of oxalic acid present in a solution can be determined by its titration with

{K M n O}_{4}

solution in the presence of

H_{2} {S O}_{4}

. The titration gives unsatisfactory result when carried out in the presence of HCL, because HCL:

Q. For the titration between oxalic acid and sodium hydroxide, the indicator used is

Q. Assertion :Phenolphthalein is used as indicator during the titration of oxalic acid against sodium hydroxide. Reason:

p H

range of phenolphthalein is from

8

9.6

.

Q. What is the indicator used for the titration between oxalic acid and sodium hydroxide ? Justify your answer with suitable reason.

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