When a metal ion has a coordination number of 2, what are the observed geometrie

Question

When a metal ion has a coordination number of 2, what are the observed geometries and associated bond angles? (Select all that apply.)

Geometries:

linear

trigonal planar

bent

tetrahedral

trigonal pyramidal

trigonal bipyramidal

seesaw

T-shaped

octahedral

square pyramidal

square planar

Bond angles:

90 degrees

109.5 degrees

120 degrees

180 degrees

For each of the following, give the correct formulas for the complex ions. (Complex ions take the general form: [Ag(NH3)2]+.Use (EDTA) for EDTA, (en) for ethylenediamine, and (ox) for oxalate ion when appropriate.)

Explanation / Answer

When a metal ion has a coordination number of 2, linear geometry would be observed.

Bond angle would be 1800 .

a) [Ag(OH)2]+

b) [Fe(ox)2]2-

c) [Pt(H2O)4]2+

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