Maximum covalence of nitrogen is '4' but the heavier elements of group 15 show covalence greater than '4' Why ?
Maximum covalence of nitrogen is '4' but the heavier elements of group 15 show covalence greater than '4' Why ?
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[Hint : Nitrogen is not having vacant d- orbitals in its octet, hence cannot expand its octet, while heavier members have vacant d-orbitals to expand their octet.]
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