Which of the following bonds has highest bond enthalpy?

Which of the following bonds has highest bond enthalpy?
  1. $\mathrm{N}-\mathrm{H}$ in $\mathrm{NH}_3$
  2. $\mathrm{O}=\mathrm{O}$ in $\mathrm{O}_2$
  3. $\mathrm{C}-\mathrm{H}$ in $\mathrm{CH}_4$
  4. $\mathrm{N} \equiv \mathrm{N}$ in $\mathrm{N}_2$

Solution

More the number of bonds between atoms more will be the bond energy. $\mathrm{N}_2$ has triple bond between $\mathrm{N}$ atoms and has highest bond enthalpy.

Asked in: MHT CET 2021 (20 Sep Shift 1)

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