Chemistry · Elementary idea of metallic bonding, hydrogen bonding and its applications
Which of the following compounds show hydrogen bonding?
Which of the following compounds show hydrogen bonding?
- A. \( H C l \)
- B. \( C_{2} H_{6} \)
- C. \( R C H_{2} C H O \)
- D. \( R C H_{2} N H C H_{3} \)
Step-by-step solution
Hydrogen bonding requires a hydrogen atom bonded to a highly electronegative atom (N, O, or F) and a lone pair on another electronegative atom. In option D, the nitrogen atom is bonded to hydrogen (N-H) and has a lone pair, allowing both donation and acceptance of hydrogen bonds. In contrast, HCl (A) has Cl which is less electronegative and typically not considered for strong hydrogen bonding; C2H6 (B) has no electronegative atoms; RCH2CHO (C) lacks an N/O/F-H bond and can only accept hydrogen bonds, not donate, so it does not exhibit significant hydrogen bonding on its own.
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