The pH of four solutions M,N,Q and R are 2,6,8 and 11 respectively. Which of the following deductions about the solutions is correct?

A. The pH of N is increased when the solution is diluted
B. The pH of Q is increased when the solution is evaporated
C. M is the most alkaline solution
D. R is the most acidic solution

Correct Answer: Option A

A. The pH of N is increased when the solution is diluted