In acidic solution, the colour of phenolphthalein changes from :

pink to blue.

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orange to pink.

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colourless to coloured.

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it doesn't change.

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Solution

The correct option is C it doesn't change.
In acidic solution, the colour of phenolphthalein do not change.

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Similar questions

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

Q. Phenolphthalein changes colour from colourless to:

Consider following sets. Blue colour solution changes to colourless (or fades) in:

Q. Aluminium sulphate and copper sulphate solutions were taken in two test tubes I and II respectively. Iron filings were then added to both the solutions. The four students A, B, C and D recorded their observations in the form of a table as given below.

Student	Aluminium sulphate solution (I)	Copper sulphate solution (II)
A	Colourless changes to light green	Blue colour of the solution is retained
B	Colour of colourless solution does not change	Blue colour of the solution changes to light green
C	Colourless solution changes to light blue	Blue colour of the solution changes to colourless
D	Colour of colourless solution remains unchanged	Blue colour of the solution fades away

The correct set of observations have been recorded by the students :
(1) A
(2) B
(3) C
(4) D

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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In acidic solution, the colour of phenolphthalein changes from :

The correct option is C it doesn't change.In acidic solution, the colour of phenolphthalein do not change.

The correct option is C it doesn't change.
In acidic solution, the colour of phenolphthalein do not change.