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

On adding a few drops of universal indicator solution to three unknown

1.	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
Answer» 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