HARDMCQ SINGLEJEE Mains ChemistryOrganic ChemistryBiomoleculesAchiever Section
Which statement is incorrect about peptide bond?
A.C - N bond length in proteins is longer than usual✓ Correct
B.Spectroscopic analysis shows planar structure of
C.C–N bond length in proteins is smaller than usual
D.None of the above
Explanation
It is due to the resonance that the C-N bond length of amino-acid becomes smaller than the C-N single bond length. The resonance structure is shown below- Thus, the correct option is (a) C-N bond length in proteins is longer than usual bond length of C-N bond
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