The compound which is not formed during the dry distillation of a mixture of calcium formate and calcium acetate is

Methanal

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Propanal

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Propanone

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Ethanal

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Solution

The correct option is A Propanal
Distillation is a process of separating the component substances from a liquid mixture by selective evaporation and condensation.

When calcium formate ${(H C O O)}_{2} C a$ and calcium acetate, ${(C H_{3} C O O)}_{2} C a$ undergo dry distillation, they undergo these reactions under heat.

${(H C O O)}_{2} C a ⟶ H C H O + C a C O_{3}$
Methanal is formed.

${(C H_{3} C O O)}_{2} C a ⟶ C H_{3} C O C H_{3} + C a C O_{3}$
propanone is formed

${(H C O O)}_{2} C a + {(C H_{3} C O O)}_{2} C a ⟶ 2 C H_{3} C H O + 2 C a C O_{3}$
Ethanal is formed.

Propanal is not formed during distillation.

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