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What geometrical 3-D shapes is a “GLASS (tumbler)”?

Velence bond theroy describes the bonding in complexs in terms of coordinate -covalent bond resulting from overlap filled ligand orbitals with vacant metal hybrid orbitals This theory explains magnetic behaviour and geometrical shape of coordination compounds Magnetic moment of a complex compound can be determined experimentally and theoretically by using spin only formula Magnetic moment sqrtn (n+2)BM (where n = No. unpaired electrons) . The value of of spin only magnetic moment for octahedral complex of the following configuration is 2.84BM The correct statement is (a) d^(4) (in weak field ligand) (b) d^(2) (in weak field and in strong field ligand) (c) d^(3) (in weak field and in strong field ligand) (d) d^(5) (in strong field ligand) .

Velence bond theroy describes the bonding in complexs in terms of coordinate -covalent bond resulting from overlap filled ligand orbitals with vacant metal hybrid orbitals This theory explains magnetic behaviour and geometrical shape of coordination compounds Magnetic moment of a complex compound can be determined experimentally and theoretically by using spin only formula Magnetic moment sqrtn (n+2)BM (where n = No. unpaired electrons) . Ni^(2+) cation combines with a uninegative monodentate ligand X^(Θ) to form paramagnetic complex [NiCI_(4)]^(2-) The number of unpaired electrons(s) in central metal cation and geometry of this complex respectively are (a) One,tetrahedral (b) Two,tetrahedral (c ) One,square planar (d) Two, square planar .