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1 nitrogen carbon double-bonded tooxygen carbon bonded tonitrogen 1 nitrogen car

ID: 689437 • Letter: 1

Question

1 nitrogen carbon double-bonded tooxygen     carbon bonded tonitrogen 1 nitrogen carbon double-bonded tooxygen     carbon bonded tonitrogen 1 2 carbon bonded to oxygencarbon-carbon doublebond     hydrogen bonded tooxygen carbon-oxygen single bond 2 carbon bonded to oxygencarbon-carbon doublebond     hydrogen bonded tooxygen carbon-oxygen single bond 2 3 carbon double-bonded to oxygenoxygen    carbon-carbon bond hydrogen bonded tocarbon 3 carbon double-bonded to oxygenoxygen    carbon-carbon bond hydrogen bonded tocarbon 3 1 nitrogen carbon double-bonded tooxygen     carbon bonded tonitrogen 2 carbon bonded to oxygencarbon-carbon doublebond     hydrogen bonded tooxygen carbon-oxygen single bond 3 carbon double-bonded to oxygenoxygen    carbon-carbon bond hydrogen bonded tocarbon Identify the Lewis basic site in each molecule.Lone pairs are not shown, but C, N, and O all obey the octet rule. nitrogen carbon double-bonded tooxygen carbon bonded tonitrogen carbon bonded to oxygencarbon-carbon doublebond hydrogen bonded tooxygen carbon-oxygen single bond carbon double-bonded to oxygenoxygen carbon-carbon bond hydrogen bonded tocarbon

Explanation / Answer

in the first one, the atom who can accept one H, acting as a base,is the N. in the second, the most basic could be the O from the OH group. in the 3º, is the C double-bonded to O, and the pair ofelectrons from the -bond then locate over the Oxigen-