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Grade: 11
        

Please suggest another two primary standards, except KHP, for the standardization of sodium hydroxide

10 years ago

Answers : (2)

askiitian.expert- chandra sekhar
10 Points
							

Please tell wat is KHP?

10 years ago
askiitian.expert- chandra sekhar
10 Points
							

As the NaOH is having the property of absorbing moisture from atmosphere it is difficult to weigh the weight of the NaOH properly.

Sodium hydroxide also reacts with carbon dioxide in the air, to form sodium carbonate

So NaOH is standardized using mainly KHP or PHP(potassium hydrogen ortho-phthalate).

Other than KHP we can use:

oxalic acid dihydrate, H2C2O4* 2 H2O


10 years ago
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