Question

You have a A,B,C,D .the pH of solution is 6,9,12,7 respectively ?
A) identify the most acidic or most Basic solution.
B) arrange the above four solution in the increasing order of H+ ions concentration.
C) state the change in colour of pH paper on dipping in solution C or D .

Answer 1

A. Most acidic is A = 6

Most basic is C = 12

B. Inorder C< B< D< A

C. IN RED LITMUS PAPER DIP IN (12 C)

COLOUR CAN BE CHANGE TO

BLUE.

ANY LITMUS PAPER NOT CHANGE

COLOR IN (7 D)