to acidify the solution so that it can become a good oxidising agent
Yes it is Sodium oxalate .
yes
H2C2O4 + 2NaOH ------------> Na2C2O4 + 2H20
K2Cr2O7 + Na2C2O4 --> K2C2O4 + Na2Cr2O7
IUPAC name: 'disodium ethanedioate' is the soddium salt of the dianion, with formula Na2C2O4
Sodium chloride cannot be obtained from sulfuric acid.
Sodium chloride doesn't react with sulfuric acid.
Sulfuric acid.
Formula: C2O4-2
Sodium chloride (NaCl) is not a hydrated salt.
Sodium chloride (NaCl) is not a hydrated salt.
H2SO4 + 2 NaOH --> Na2SO4 + 2 H2O. Sulfuric Acid + Sodium Hydroxide --> Sodium Sulfate + Water.