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Question

A 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 an acidic solution of KMnO4. ‘X’ is:

A
HCOONa
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B
CH3COONa
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C
Na2C2O4
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D
C6H5COONa
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Solution

The correct option is C Na2C2O4


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