The maximum number of covalent formed by nitrogen is
A. 1
B. 2
C. 3
D. 4
Answer: Option D
Solution(By Examveda Team)
Covalency of an atom in a covalent compound is the number of covalent bonds formed by an atom. Maximum covalency of Nitrogen is 4 (example - ammonium ions).This Question Belongs to General Knowledge >> Chemistry
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nitrogen has 5 valence electrons, three which are unpaired and one which is paired.so we can say 3 unpaired electron would form 3 bonds and 1 paired forms 1 bond.
Nitrogen has two 2s and three 2p valence electrons. By sharing the three 2p electrons, nitrogen can form three covalent bonds. For example, NH3. But still the nitrogen atom has a lone pair of electrons form 2s orbital. By donating these two electrons from lone pair, it can form one bond. For example, NH4+.
Thus, nitrogen can form four bonds.
How....Plz tell me
how ??