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प्रश्न
Which of the following statements is true about a peptide bond (RCONHR)?
विकल्प
It is non planar.
It is capable of forming a hydrogen bond.
The cis configuration is favoured over the trans configuration.
Single bond rotation is permitted between nitrogen and the carbonyl group.
MCQ
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उत्तर
It is capable of forming a hydrogen bond.
Explanation:
The peptide bond can form hydrogen bonds as the –NH group acts as a hydrogen bond donor and the C=O group acts as a hydrogen bond acceptor.
It has partial double bond character due to resonance, making it planar and restricting rotation. Furthermore, the trans configuration is more stable than cis.
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