Acid-Base Indicators

Quick Revision|What Is An Acid - Base Indicator ?|Types Of Indicator| Litmus|Turmeric|OMR|Previous Year Questions

Define/give meanings of the following : Acid-base indicator.

Which of the following is an acid -base indicator ?

Name the acid-base indicator extracted from lichens.

State whether litmus is a common acid-base indicator or a universal indicator

During the titration of a weak base with a strong acid, one should use an acid-base indicator that changes colour in the :

An acid-base indicator has K_(a) = 3.0 xx 10^(-5) . The acid form of the indicator is red and the basic form is blue. Then:

An acid-base indicator has a K_(a) = 3.0 xx 10^(-5) . The acid form of the indicator is red and the basic form is blue. Then