Entry Test MCQ :: Chemical Equilibrium

@ : Home > Chemistry > Chemical Equilibrium

pH of an aqueous solution is 5.5. The hydroxyl ion conc. In the solution would be

[A].	?5.5	[B].	?8.5
[C].	10-8.5	[D].	10

Answer: Option C

Doctor said:

14-5.5 = 8.5, can you explain the reason behind Option C: 10-8.5?

Anas said:

-log[OH]=8.5 the antilog of -8.5 will be 3.16E-9,or 10E-8.5,the option c ans is may be due to miss printing.