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The intermolecular potenial energy for the molecules A,B,C and D given below suggest that:
Option: 1 A-D has the shortest bond length.
Option: 2 A-A has the largest bond enthalpy.
Option: 3 D is more electronegative than other atoms.
Option: 4 A-B has the stiffest bond.

Answers (1)

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From the given graph, potential energy of A-B molecule is minimum. Thus A-B bond is most stable and have strongest bond amongst these.

B → Most electronegative

D → Least electronegative

A-A → Shortest bond length

A-B → Largest bond enthalpy

Therefore, the correct option is (4).

 

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Kuldeep Maurya

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