why sre you used Potassium hydrogen phthalate in
standarisation of 1N NaOH and 0.1 N Perchloric Acid?
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Answer / madhukar tayade
KHP is the primary standard that is stable for any condition it is used as the acid as well as base i.e acid for 1N NaOH and base for 0.1N perchloric acid
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Answer / Sunil Kumar Jayasawal
Potassium hydrogen phthalate (KHP) is used as a primary standard for the volumetric analysis of strong acids and strong bases because it has the advantage of being stable, nonhygroscopic, and easy to handle. It is less expensive than other primary standards such as sodium benzoate or potassium oxalate. When used in the standardization of 1N NaOH and 0.1 N Perchloric Acid, KHP acts as a reference compound to determine the concentration of the unknown solution.
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