Engineering
Chemistry
Bond Formation and Conditions
Question

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

          

A-B has the stiffest bond.

A-D has the shortest bond length

D is more electronegative than other atoms.

A-A has the largest bond enthalpy

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Solution

Bond enthalpy of AB bond is highest so A-B bond is more strong and B is highest electronegative atom. Order of bond length ⇒ A–A < A–B < A–C < A–D