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Which of the following compound is formed when Li is exposed to air ?

Option: 1

Li_{4}N^{+}


Option: 2

Li_{2}N


Option: 3

Li_{3}N


Option: 4

All of these


Answers (1)

best_answer

As we learnt,

Action of air on Lithium (anomaly)

Lithium reacts with N2 as well  other alkali metals do not react with N2

6Li (s) +N{_{2}} (g)\rightarrow 2 Li{_{3}}N (s)

Li reacts with  N2  presents in air and forms its nitride, Li_{3}N

Therefore, option (3) is correct.

Posted by

Shailly goel

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