JEE Main Chemistry question

ChemistryAldehydes, Ketones and Carboxylic AcidsJEE Main

One mole each of calcium acetate and calcium propionate undergo dry distillation to form 'x' mole(s) of ethyl methyl ketone. Find the value of x.

Answer: 2

Solution

Dry distillation (ketonic decarboxylation) of a calcium carboxylate salt releases its acyl group as a ketone-forming fragment, with each mole of Ca(RCOO)₂ supplying 2 mole-equivalents of the RCO– acyl group. One mole of calcium acetate thus supplies 2 mole-equivalents of acetyl groups, and one mole of calcium

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Question ID VK-150172