The intermolecular potential energy for the molecules A

Question:

The intermolecular potential energy for the molecules $A$, $B, C$ and $D$ given below suggests that :

  1. A-D has the shortest bond length

  2. A-A has the largest bond enthalpy

  3. $\mathrm{D}$ is more electronegative than other atoms

  4. A-B has the stiffest bond

Correct Option: , 4

Solution:

A-B bond has highest intermolecular potential energy among the given molecules. Hence, it is strongest bond and has maximum bond enthalpy.

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