
What is the ‘n’ factor for acid and how is it calculated for oxalic acid dihydrate?
Answer
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Hint: The n-factor is defined as the number of ions replaced by mole of acid in a reaction and the number of replaced by mole of base in a reaction.The molecular formula of oxalic acid dihydrate is .
Complete answer:
For an acid ‘n’ factor is the number of ions replaced by mole of an acid
The factors related to oxalic acid are:
Oxalic acid is a dibasic acid.
Its basicity is 2 because it has two protons that can be replaced.
For an oxalic acid let us consider the following reaction as example:
From the above reaction we can say that the “n” factor for oxalic acid dihydrate is as hydrogen ions are replaced in the reaction.
Equivalent weight of acid =
In Oxalic acid, the number of replaceable hydrogen ions is .
Molecular weight of oxalic acid is .
Equivalent weight of acid
Equivalent weight of oxalic acid
Oxalic acid is acidic in nature. As oxalic acid has moles of acidic ions, which means one mole of oxalic acid can neutralize two moles of .
Hence, the n-factor of oxalic acid is .
Note:
Oxalic acid is a dicarboxylic acid. It is also known as Ethanedioic acid. It is called a dibasic acid because it has the ability to donate two ions. One molecule of oxalic acid releases two hydrogen ions. Hence, n-factor is two.
Complete answer:
For an acid ‘n’ factor is the number of
The factors related to oxalic acid are:
Oxalic acid is a dibasic acid.
Its basicity is 2 because it has two protons that can be replaced.
For an oxalic acid let us consider the following reaction as example:
From the above reaction we can say that the “n” factor for oxalic acid dihydrate is
Equivalent weight of acid =
In Oxalic acid, the number of replaceable hydrogen ions is
Molecular weight of oxalic acid is
Equivalent weight of acid
Equivalent weight of oxalic acid
Oxalic acid is acidic in nature. As oxalic acid has
Hence, the n-factor of oxalic acid is
Note:
Oxalic acid is a dicarboxylic acid. It is also known as Ethanedioic acid. It is called a dibasic acid because it has the ability to donate two
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