A) 9 N
B) 0.3 N
C) 3 N
D) 1 N
Correct Answer: A
Solution :
Orthophosphoric acid \[({{H}_{3}}P{{O}_{4}})\] is a acid. \[\because \] \[\text{ }\!\!~\!\!\text{ Normality = molarity}\times \text{ }\!\!~\!\!\text{ basicity}\] \[\therefore \] Normality \[=2M\times 3=9\text{ }N\]
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