Question

On adding few drops of universal indicator to three unknown colourless solution p , q, and r separately in 3 test tubes , a studrnt observed the changes in colour as green in p, red in q and violet in r . Write the decreasing order of their ph

Answer 1

The order is R, P, Q. as r us base p is neutral and q is acid

Answer 2

R-base

P-nuetral

Q-acidic

.

. Therefore order is RPQ