Which of the Following Results from Resonance in Peptide Bonds

question 19

Multiple Choice

Which of the following results from resonance in peptide bonds?

• A)a C?-carbon that is out of the coplanar group of atoms
• B)unrestricted rotation in the peptide backbone at the N-C_? bond and C_?-Co bond
• C)approximately 40% double-bond character
• D)Co-N bond distance that is longer than normal,but shorter than C=N bonds

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