1.

On dissolving 1 mole of each of the following acids in 2 litre water, the which does not give a solution of strength 1 N is

Answer»

HCl
Perchloric ACID
`HNO_(3)`
Phosphoric acid

SOLUTION :`H_(3)PO_(4)to H^(+)+H_(2)PO_(4)^(-)`
`H_(2)PO_(4)^(-)to H^(+)+HPO_(4)^(2-)`
`HPO_(4)^(2-)to H^(+)+PO_(4)^(3-)`
Phosphoric acid does not give 1N strength.


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