Four solutions labelled as P, Q, R and S have pH values 2, 8, 4, 12 respectively. Which of the following statements about the given solution is incorrect?
A)solution P and Q will turn red litmus solution blue.
B)solution P is highly acidic while solution Q is weakly basic.
C)solution P has higher concentration of hydrogen ion than solution R.
(D)solution Q has lower concentration of hydroxyl ions than solution S.