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Nitrogen (N(2)) is relatively unreactive...

Nitrogen `(N_(2))` is relatively unreactive, because

A

its electronegativity is high

B

its dissociation energy is large

C

its atomic radius is small

D

it is the first element of group-15

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The correct Answer is:
B
Nitrogen forms storng `N-=N` triple bond. Since, dissociation energy of `N-=N` triple bond is very high, therefore, it exists as a relatively unreactive diatomic molecule in its elemental state.
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