Chem Mod 7

Front 1

A bidentate ligand always

Back 1

has two donor atoms

Front 2

In the reaction CaO(s) + SO2(g) ↔ CaSO3(s),

Back 2

O2- acts as a Lewis base, and SO2 acts as a Lewis acid

Front 3

Look at the following list. Which molecules and ions behave as Lewis acids?CO2NH3BCl3Fe3+

Back 3

CO2, BCl3, and Fe3+

Front 4

What is the coordination number of cobalt in [Co(en)2(OH)2]Cl?

Back 4

6

Front 5

What is the ionic charge of cobalt ion in [Co(en)2(OH)2]Cl?

Back 5

+3

Front 6

In the coordination compound [Cr(NH3)2(en)Cl2]Br2, the coordination number (C.N.) and oxidation number (O.N.) of the metal atom are

Back 6

C.N. = 6; O.N. = +3

wrong

C.N. = 6; O.N. = +4

Front 7

What is the percent copper in the sulfate salt of [Cu(NH3)4]2+?

Back 7

27.9%

Front 8

The formula for the complex formed by Co+3 with two ethylenediamine molecules (en) and two hydroxide ions would be

Back 8

[Co(en)2(OH)2]1+

Front 9

The best name for K[Cr(NH3)2Cl2SO4] is

Back 9

potassium diamminedichlorosulfatochromate(III)

wrong

Front 10

What is the formula for dicyanobis(ethylenediamine)zirconium(IV) nitrate?

Back 10

[Zr(CN)2(en)2](NO3)2

Front 11

A central metal atom bonded to surrounding ions or molecules is called a

Back 11

coordination compound

Front 12

All of the following species can behave as Lewis bases EXCEPT

Back 12

Al+3

Front 13

What is the mass percent iron in the potassium salt of [Fe(CN)6]4-?

Back 13

15.2%

Front 14

The formula for the complex formed by Cr+3 with two ethylenediamine molecules (en) and two sulfate ions would be

Back 14

[Cr(en)2(SO4)2]-

Front 15

The best name for [Co(en)2Br2]Br is

Back 15

dibromobis(ethylenediamine)cobalt(III) bromide

Front 16

Ions such as [Co(H2O)6]3+ and [Ag(CN)2]– are called

Back 16

coordination complexes

Front 17

What is the ionic charge of copper ion in [Cu(NH3)4]SO4?

Back 17

+2

Front 18

What is the formula for potassium diamminetetrachlorovanadate(III)?

Back 18

K[V(NH3)2Cl4]