CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Properties of Acids

Question 4 Ph...

Question

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

Open in App

Solution

Phenolpthalein is a man-made visual indicator used to check acidity or basicity of solutions. Phenolphthalein is colourless in an acidic solution and turns pink in a basic solution.

Suggest Corrections

thumbs-up

4

Similar questions

Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions respectively are

Q. Two solutions A and B have pH values of 3.0 and 9.5 respectively. Which of these will turn litmus solution from blue to red and which will turn phenolphthalein from colourless to pink?

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

Q. Phenolphthalein is a synthetic indicator and its color in acidic and basic solutions, respectively are:

Q. Match the following:

\begin{matrix} A) L i t m u s & 1) B l u e i n a c i d i c, p i n k i n b a s i c s o i l s B) M e t h y l o r a n g e & 2) R e d i n a c i d i c, y e l l o w i n b a s i c s o l u t i o n s C) P h e n o l p h t h a l e i n & 3) B l u e i n b a s i c, r e d i n a c i d i c s o l u t i o n s D) C o l o u r o f H y d r a n g e a & 4) P i n k i n b a s i c, c o l o r l e s s i n a c i d i c s o l u t i o n s \end{matrix}

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

Properties of Acids

Standard VII Chemistry

Join BYJU'S Learning Program

CrossIcon