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An unknown solution has an H+ concentration of 10-12 moles per liter. Which of the following statements correctly describes this solution?

AThe solution is basic in nature.
BThe solution is acidic in nature.
CThe solution is neutral in nature.

Verified Answer :

As given in statement:
[H+] = 10^-12  
Formula for pH:
pH = -log [H+] 
Putting the value of H+ ion in formula:
pH = -log ( 10^-12) 
pH = 12.0 

 pH 0-6 (Acidic)
pH 7 (neutral)
pH 8-14 (basic)
A solution with pH 12.0 is basic. 
So according to above explanation 
a. The solution is basic in nature, is the correct answer.

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