Which one of the following represents the correct order of electronegativity?

• A

  $\mathrm{P}>\mathrm{O}>\mathrm{N}$
• B

  $\mathrm{N}>\mathrm{P}>\mathrm{O}$
• Correct answer
  C

  $\mathrm{O}>\mathrm{N}>\mathrm{P}$
• D

  $\mathrm{N}>\mathrm{O}>\mathrm{P}$

Hence, the correct answer is option: 'C'.