Question:
How would you react to the statement that the electronegativity of N on Pauling scale is 3.0 in all the nitrogen compounds?
Solution:
Electronegativity of an element is a variable property. It is different in different compounds. Hence, the statement which says that the electronegativity of $N$ on Pauling scale is $3.0$ in all nitrogen compounds is incorrect. The electronegativity of $\mathrm{N}$ is different in $\mathrm{NH}_{3}$ and $\mathrm{NO}_{2}$.
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