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

1. Ethanol-methanol
2. Ethanol-water
3. chloroform-acetone
4. carbon tetrachloride-acetone

Correct answer: carbon tetrachloride-acetone

Solution

Carbon tetrachloride has no hydrogen atoms bonded to an electronegative atom, so it cannot donate H-bonds. Acetone can accept H-bonds, but without a donor partner, no hydrogen bonding occurs between these two compounds.

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