Which oxide of carbon is obtained when malonic acid is heated with P 2 O 5 at 575 K?

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Question: Answered & Verified by Expert

Which oxide of carbon is obtained when malonic acid is heated with

P_{2} O_{5}

at 575 K?

ChemistryCarboxylic Acid DerivativesNEET

Options:

A CO
B $C O_{2}$
C $C O + C O_{2}$
D $C_{3} O_{2}$

Solution:

1816 Upvotes Verified Answer

The correct answer is:

C_{3} O_{2}

when malonic acid is heated with

P_{2} O_{5}

at 575 K carbon suboxide

(C_{3} O_{2})

is formed

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