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Indicators and Universal Indicator

The indicator...

Question

The indicator used to detect the end point in the titration of a weak acid and strong base (pH 8-10) is:

A

methyl orange

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B

methyl red

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C

phenolphthalein

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D

none of these

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Solution

The correct option is C phenolphthalein
The indicator used for the detection of end point in weak acid and strong base titration is phenolphthalein. It works at a pH of 8-10.

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