MHT CET202526 Apr 2025Morning ShiftChemistryAlcohols Phenols and EthersActual
Which among the following compounds does NOT form inter molecular hydrogen bonding?
Options
- AEthoxy ethane
- BButane
- CPhenol
- DButan-1-ol
Correct answer
B. Butane
Step-by-step solution
Hydrogen bonding requires both a donor (H bonded to O, N, or F) and an acceptor (lone pair on O, N, or F). Ethoxy ethane ( CH₃CH₂-O-CH₂CH₃ ) contains oxygen with lone pairs, acting as an acceptor, but lacks an H-donor group. Butane ( CH₃CH₂CH₂CH₃ ) has no O, N, or F atoms—it cannot donate or accept hydrogen bonds. Phenol ( C₆ H₅-OH ) and butan-1-ol ( CH₃CH₂CH₂CH₂ OH ) both possess -OH groups, enabling donation and acceptance of hydrogen bonds. Butane is uniquely incapable of intermolecular hydrogen bonding.