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#Question id: 20253


AB, A2 and B2 are diatomic molecules. If the bond enthalpies of A2, AB & B2 are in the ratio 1 : 1 : 0.5 and enthalpy of formation of AB from A2 and B2 is – 100 kJ/mol–1. What is the bond enthalpy of A2.

#XL - P Chemistry
  1. 400 kJ/mol
  2. 200 kJ/mol
  3. 100 kJ/mol 
  4. 300 kJ/mol

Answer:- Option(s): 1


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