The pH values of four solutions P, Q, R and S are 7.8, 1.0, 13.0 and 1.4 respectively. The solution having highest hydrogen ion concentration among them is
A. P
B. Q
C. R
D. S
Answer:B
The pH values of four solutions P, Q, R and S are 7.8, 1.0, 13.0 and 1.4 respectively. The solution having highest hydrogen ion concentration among them is
A. P B. Q C. R D. S