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Statement(I) : Nitrogen is inert
Statement(I) : Nitrogen has the highest IP₁ among 15^th group elements

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Both (I) & (II) are true

(I) is true & (II) is false

(I) is false & (II) is true

Both (I) & (II) are false

answer is A.

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Detailed Solution

It is the atoms which participate in chemical reactions but not molecules.

so to convert N₂ molecule to Nitrogen atoms very large energy (945KJ/mole) is required.

Chemical inertness of N₂ is due to large bond dissociation enthalpy.

Down the group , IP₁ decreases.

IP₁ of N > P > As > Sb > Bi.

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