What is meant by primary standards

Question

Shivani Thakur · Accepted Answer

Dear student, Primary Standard: A primary standard is a reagent
which is very pure, representative of the number of moles the
substance contains and easily weighed Primary standards are
typically used in titrations and other analysis techniques as
standardization solutions Examples of primary standards used in
redox titrations include pure iron, NaC2O4 (sodium oxalate),
As2O3(arsenic trioxide), K2Cr2O7(potassium dichromate),
KBrO3(potassium bromate), KIO3(potassium iodate) and KH(IO3 ) 2
(potassium hydrogen iodate) Option (3 ) is correct Regards,

Primary Standard: A primary standard is a reagent which is very pure, representative of the number of moles the substance contains and easily weighed. Primary standards are typically used in titrations and other analysis techniques as standardization solutions.

Primary Standard: A primary standard is a reagent which is very pure, representative of the number of moles the substance contains and easily weighed.

Primary standards are typically used in titrations and other analysis techniques as standardization solutions.