

MCQOPTIONS
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1. |
Given that(i) \[{{\Delta }_{f}}H{}^\circ \] of \[{{N}_{2}}O\] is \[82\text{ }kJ\text{ }mo{{l}^{-1}}\](ii) Bond energies of \[N\equiv N,N=N,O=O\] and \[N=O\] are 946, 418, 498 and \[607kJ\text{ }mo{{l}^{-1}}\] respectively, The resonance energy of \[{{N}_{2}}O\] is: |
A. | \[-88kJ\] |
B. | \[-66kJ\] |
C. | \[-62kJ\] |
D. | \[~-\,44\,kJ\] |
Answer» B. \[-66kJ\] | |