A) 2
B) 7
C) 10
D) 12
Correct Answer: B
Solution :
\[[{{H}^{+}}]=[O{{H}^{-}}]\] \[{{K}_{w}}=[{{H}^{+}}]\,\,[O{{H}^{-}}]\]\[={{10}^{-14}}\] \[\therefore \,[{{H}^{+}}]={{10}^{-7}}\], \[pH=-\log \,[{{H}^{+}}]=7\].You need to login to perform this action.
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