Question:
Which of the following compounds show hydrogen bonding?
Which of the following compounds show hydrogen bonding?
Show Hint
Remember the condition: H must be directly bonded to F, O, or N to form hydrogen bonds.
Updated On: Apr 16, 2026
- HCl
- C\(_2\)H\(_6\)
- RCH\(_2\)CHO
- RCH\(_2\)NHCH\(_3\)
Show Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
Hydrogen bonding occurs when a hydrogen atom is covalently bonded to a highly electronegative atom (F, O, N) and is also attracted to an unshared pair on another electronegative atom.
Step 2: Detailed Explanation:
• HCl: H is bonded to Cl, but Cl is less electronegative and its size is large, making hydrogen bonding very weak in HCl. It does not form strong intermolecular H-bonds. • C\(_2\)H\(_6\): H is bonded to C, not sufficiently electronegative. • RCH\(_2\)CHO: H is bonded to C, not to O or N. The H in the aldehyde group is not directly bonded to O. • RCH\(_2\)NHCH\(_3\): Contains a -NH- group where H is directly bonded to N. N is highly electronegative, allowing for strong hydrogen bonding between molecules.
Step 3: Final Answer:
RCH\(_2\)NHCH\(_3\) shows hydrogen bonding, which corresponds to option (D).
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