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Synthetic Indicators

External indi...

Question

External indicators are added from outside and detects the change in $p H$ value.

A

True

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B

False

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Solution

The correct option is A True
External indicators are which are added from outside and detects the change in pH etc. eg Phenolphthalein and Methyl Orange added in Acid base titrations.

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Q. The rapid change in

p H

near the equivalence point of an acid-base titration is the basis of indicator detection.

p H

of the solution is related to ratio of the concentrations of the acidic form (

H I n

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of the indicator by the expression :

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forms of the indicator by the expression:

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Synthetic Indicators

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