1.

Boric acid (H_(3)BO_(3)) has Alumnium and its compounds

Answer»

Trigonal sttructure
Tetrahedral STRUCTURE
Layyer structure ,in which `BO_(3)^(-3)` units are LINKED by oxoxgen
layer structure ,in which planar `BO_(2)^(-3)` units are linked by hydrogen bonding .

Answer :4


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