You are given 3 unknown solutions with pH value as 6,8 & 9.5 respectively. Which solution will contain maximum OH⁻ ion?

Q. You are given 3 unknown solutions with pH value as 6,8 & 9.5 respectively. Which solution will contain maximum OH⁻ ion?

1. Solution sample-1
2. Solution sample-2
3. Solution sample-3
4. Data are insufficient

Answer: Solution sample-1