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CO is an unsaturated compound because al...

CO is an unsaturated compound because all the valancies of carbon are not satisfied and forms addition compounds e.g It forms carbonyl sulphide (COS) with sulphur, carbonyl chloride (phosgene `COCl_(2)`) with chlorine, sodium formate with NaOH, methyl alcohol with `H_(2)`, in the presence of `ZnO //Cr_(2)O` as catalyst)
The dehydration of malonic acid `CH_(2)(COOH)_(2)` with `P_(4)O_(10)` and heat give

A

Carbon monoxide

B

Carbon sub oxide

C

Carbon dioxide

D

All three

Text Solution

Verified by Experts

The correct Answer is:
B
`underset("Malonic acid")(O=underset(OH)underset(|)(C)-underset(H)underset(|)overset(H)overset(|)(C)-C=overset(OH)overset(|)(O))overset(P_(4)O_(10))underset(150^(@)C)toC_(2)O_(3)[O=C=C=C=O]+2H_(2)O`
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