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All of the classes of compounds contain at least oneoxygen atom EXCEPT(A) esters (B)...

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roshan-rox | Valedictorian

Posted June 11, 2013 at 8:05 AM via web

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All of the classes of compounds contain at least one
oxygen atom EXCEPT
(A) esters (B) aldehydes
(C) ethers (D) alkynes

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llltkl | College Teacher | Valedictorian

Posted June 11, 2013 at 8:27 AM (Answer #1)

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All of the classes of compounds contain at least one
oxygen atom EXCEPT
(A) esters (B) aldehydes
(C) ethers (D) alkynes

Esters have the functionality R-CO-OR', the oxygen in the CO part is double bonded to carbon.

Aldehyde functionality have the functionality R-CHO, the oxygen in the CHO part is double bonded to carbon.

Ether functionality is R-O-R', R and R' are alkyl groups, similar or dissimilar.

Alkynes have the structural feature R-C.C-R'.There is a triple bond between the two central carbon atoms, shown as C.C

Therefore, alkynes do not have an oxygen atom within them.

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