Maximum covalency of nitrogen is ______________.
(i) 3
(ii) 5
(iii) 4
(iv) 6
Maximum covalency of nitrogen is ______________.
(i) 3
(ii) 5
(iii) 4
(iv) 6
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1 Answer
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This is a multiple choice answer as classified in NCERT Exemplar
Correct option is (ii)
The valence electrons of nitrogen are two 2s and three 2p. Nitrogen can make three covalent bonds by sharing its three 2p electrons. Consider the NH3 molecule. The nitrogen atom, however, still contains a lone pair of electrons in the 2s orbital. It can take one bond by transferring these two electrons from the lone pair. Consider the NH4+ molecule.
As a result, nitrogen can create four different bonds.
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