Question

The table provides the pH value of four solutions P, Q, R and S.

Solution	pH value
P	2
Q	9
R	5
S	11

Which of the following correctly represents the solutions in increasing order of their hydronium ion concentration?

Options

• P > Q > R > S

• P > S > Q > R

• S < Q < R < P

• S < P < Q < R

Answer 1

S < Q < R < P