question_answer

At \[25{{\,}^{o}}C\]the pH value of a solution is 6, the solution is:

A) neutral                                

B) acidic

C) alkaline                                

D) basic

Correct Answer: B

Solution :

The pH value indicate extent of acidity or alkalinity of a substance. pH is defined as  negative logarithm of \[{{H}_{3}}{{O}^{+}}\] \[pH=-\log [{{H}_{3}}{{O}^{+}}]\]