Few drops of universal indicator are added to three colourless solutions taken separately in three test tubes labeled as P, Q, R respectively. The colour change of the solutions are marked in the following figures:

Arrange the test tubes in a descending order as per the pH value?

R>P>Q

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P>Q>R

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R>Q>P

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Q>P>R

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Solution

The correct option is A
R>P>Q

R > P > Q

Red colour: pH range (0 - 2)

Green colour: pH range (5 - 8)

Violet colour: pH range (13 - 14)

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Similar questions

On adding a few drops of universal indicator to three colourless solutions taken separately in three test tubes labeled P, Q, R respectively, the colours developed in the solutions are marked in the following figures:

What is the correct decreasing order of pH values of the solutions.

Q. On adding a few drops of universal indicator solution to three unknown colourless solutions P, Q, and R taken separately in three test-tubes shown in the diagrams, a student observed the changes in colour as green in solution P, red solution Q and violet in solution R.

The decreasing order of the pH of the three solution is :
(1) P > Q > R
(2) R > P > Q
(3) Q > P > R
(4) R > Q > P

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(b) Which test-tube has a solution of pH lower than 7?
(c) Which test-tube has an acidic solution?
(d) Which test-tube has an alkaline solution?

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Few drops of universal indicator are added to three colourless solutions taken separately in three test tubes labeled as P, Q, R respectively. The colour change of the solutions are marked in the following figures: Arrange the test tubes in a descending order as per the pH value?

The correct option is A R>P>Q R > P > Q Red colour: pH range (0 - 2) Green colour: pH range (5 - 8) Violet colour: pH range (13 - 14)

Few drops of universal indicator are added to three colourless solutions taken separately in three test tubes labeled as P, Q, R respectively. The colour change of the solutions are marked in the following figures:

Arrange the test tubes in a descending order as per the pH value?

The correct option is A
R>P>Q

R > P > Q

Red colour: pH range (0 - 2)

Green colour: pH range (5 - 8)

Violet colour: pH range (13 - 14)