Question

A student was provided with four samples of solutions as shown in figures (i), (ii),(iii),(iv). He determined

pH value of each solution by using pH paper. The correct sequence of colour of change of pH paper

observed by the student will be:



(a) Indigo , light red, green,red

(b) red, indigo, green, light red

(c) indigo, red, green, yellow

(d) green, red, yellow, indigo​

Answer 1

I think so (b) is the right answer

Answer 2

Answer:

Option b) red indigo, green, light red is correct answer.