Chemistry · Elementary idea of metallic bonding, hydrogen bonding and its applications

Which of the following pairs of compounds will not form H-bonds with each other?

Which of the following pairs of compounds will not form H-bonds with each other?

  • A. Ethanol-methanol
  • B. Ethanol-water
  • C. chloroform-acetone
  • D. carbon tetrachloride-acetone

Step-by-step solution

Hydrogen bonding requires a hydrogen atom covalently bonded to a highly electronegative atom (N, O, F) as a donor and a lone pair on another electronegative atom as an acceptor. Carbon tetrachloride (CCl4) has no hydrogen atoms, so it cannot act as a hydrogen bond donor. Acetone has no hydrogen bonded to N, O, or F, so it cannot donate hydrogen bonds either. Although acetone can accept hydrogen bonds via its carbonyl oxygen, CCl4 has no donor hydrogen. Therefore, no hydrogen bonds form between them.
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