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Sodium salt of an organic acid 'X' produces effervescence with conc. H2SO4. 'X'

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Sodium salt of an organic acid 'X' produces effervescence with conc. H2SO4. 'X' reacts with the acidified aqueous CaCl2 solution to  give a white precipitate which decolourises acidic solution of KMnO4. 'X' is

(a) C6H5COONa

(b) HCOONa

(c) CH3COONa

(d) Na2C2O4

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1 Answer

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Best answer

Correct Option (d) Na2C2O4 

Explanation:

The reaction takes place as follows

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