Question

nitrogen gas forms triple bond whereas oxygen gas forms a double bond.Why?

Answer 1

Hi there!

• The electronic configuration of nitrogen is:
N(7) = 2 , 5
It's valency is 3.
Therefore to complete its octet it require three more electrons hence, shares it's valence electrons with an another atom of nitrogen.

So, nitrogen gas forms triple bond.

• The electronic configuration of oxygen is:
O(8) = 2 , 6
It's valency is 2.
Therefore to complete its octet it require two more electrons hence, shares it's valence electrons with an another atom of oxygen.

So, oxygen gas forms double bond.

Hope it helps!✌

Answer 2

Answer:

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