Multiple choice

In which of the following bonds, a proton is spaced exactly halfway between the two identical atoms?

  1. Dihydrogen bond

  2. Dihydrogen complexes

  3. Low-barrier hydrogen bond

  4. Symmetric hydrogen bond
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A symmetric hydrogen bond is a special type of hydrogen bond in which the proton is spaced exactly halfway between two identical atoms. The strength of the bond to each of those atoms is equal. It is an example of a 3-center 4-electron bond.

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