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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 isA. HClB. Perchloric acidC. `HNO_(3)`D. Phosphoric acid |
Answer» Correct Answer - D `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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