Phenolphthalein is a colourless indicator that turns pink in basic solution.

True

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False

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Solution

The correct option is A True

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Similar questions

The aqueous solution of one of the following salts will turn phenolphthalein indicator pink. This salt is :

(a) $K C l$

(b) $K_{2} S O_{4}$

(d) $K N O_{3}$

Q. why does phenolphthalein turn pink in basic solution and colourless in acidic solution.?

Q. In acidic solution, phenolphthalein gives a pink colour. The basic solution containing phenolphthalein is colourless.

Q. Name an indicator that is pink in alkaline solution but turns colourless in acidic solution.

Question 4

Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are
(a) red and blue.
(b) blue and red.
(c) pink and colourless.
(d) colourless and pink

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