Which is insolube in acetic acid

ques 2

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IMO IT should be A . Is B given answer?

Please explain your answer . I don't know the correct answer ,answer key is not out yet

Yes B is correct Calcium oxalate is a salt of calcium that is formed by the reaction between calcium hydroxide and oxalic acid . ... Since this white precipitate is insoluble therefore we say that calcium oxalate is insoluble in acetic acid .

Its calcium carbonate right?you are saying B and simultaneously C also

Oh sorry option c is correct

This question was asked in iit 1986!
Calcium oxalate will not dissolve in acetic acid (weak acid) but only in strong acid

Option is C

Calcium oxalate is a salt of calcium that is formed by the reaction between calcium hydroxide and oxalic acid. It reacts with aqueous solutions or acetic acid and forms a precipitate of white color.

Since this white precipitate is insoluble therefore we say that calcium oxalate is insoluble in acetic acid.

Whereas Barium oxalate is soluble in hot dilute acetic acid, this is used to differentiate between calcium and Barium.