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  • Try this! 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&rsquo

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 :

  • Option 1)

    CH3COONa

  • Option 2)

    Na2C2O4

  • Option 3)

    C6H5COONa

  • Option 4)

    HCOONa

 

Answers (1)

best_answer

As we learnt ,

@4590

Reactions involved :

Na2C2O4 + H2SO4  \rightarrow H2C2O4 + Na2SO4

Na2C2O4 + CaCl2 \rightarrow CaC2O4 + 2 NaCl

                                     white ppt.which decolourises acidic KMnO4


Option 1)

CH3COONa

Option 2)

Na2C2O4

Option 3)

C6H5COONa

Option 4)

HCOONa

Posted by

prateek

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