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Group 15
Metals non metals metalloids
NP
ArAn.
Bi
Nmetals
Metalloids
Metal
Nitrogen(1 2 4 OS)
Chile saltpetre
Indian saltpetre
OS- -3 +3 +5 BiF5 -5
Anomalous prty-
Small size high electro-vity
High ionisation enthalpy
Absence of d orbital
Pπ pπ bond
N-N bond weak dan P-P {high interelectronic repulsion of non bonding e-}
Max covalency 4
With H O X metals
Hydrides(EH3)
Stability decreases dwn d GRP
Reducing character??
Basicity??
Oxides(E2O3, E2O5)
Higher oxidatn state oxide acidity???
Dwn d GRP??
Acidic basic amphoteric oxide
X( EX3, EX5)
Nitrogen no pentaX due to???
More covalent?? ( penta or tri?)
Nly NF3 stable in case of nitrogen
Tri covalent except??
Metals
Binary compound -3 os
Ex- Ca3N2, Ca3P2, Na3As2, Zn3Sb2 Mg3Bi2
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