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Why sodalime is used in d analysis instead of CaO or NaOH

Why sodalime is used in  d analysis instead of CaO or NaOH

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1 Answers

Aman Bansal
592 Points
10 years ago

Dear Shalini,

Decarboxylation : When sodium salt of a carboxylic acid is heated with sodalime , carbon-dioxide is eliminated and an alkane is formed . CO2 is removed from the carboxylic acid and this reaction is called as decarboxylation . Alkane obtained in this reaction contains one carbon less than the corresponding sodium salt of the carboxylic acid . Thus for example , methane is formed when sodium acetate is heated with sodalime . Soda-lime is a mixture of CaO and NaOH 

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