Coordination Compounds

Question 1

Violet color of Ti3+ which orbitals?

Answer 1

t2g to eg

Question 2

Color of
I. [Ni(H2O)6]2+
II. [Ni(H2O)4(en)]2+
III. [Ni(H2O)2(en)2]2+
IV. [Ni(en)3]2+

Answer 2

I. Green
II. Pale blue
III. Blue/purple
IV. Violet

Question 3

In emerald, Cr3+ ions occupy _______ sites in the mineral beryl (Be3Al2Si66O18)

Answer 3

Octahedral

Question 4

Unpaired electrons in square planar Pt(CN)4

Answer 4

None

Question 5

Check structure of [CO2(CO)8]

Answer 5

Okay

Question 6

Anaemia Anti pernicious factor

Answer 6

Cyanocobalamin

Question 7

CFT considers metal ligand bond to be

Answer 7

Ionic

Question 8

[CrCl2(ox)3]3- which isomer is chiral

Answer 8

Cis

Question 9

Color of [Co(NH3)5(NO2)]Cl
When in
i. –ONO
ii. –NO2

Answer 9

i. Red form

ii. Yellow form

Question 10

Color of

i. [Cr(H2O)6]Cl3
ii. [Cr(H2O)5Cl]Cl2.H2O

Answer 10

i. Violet

ii. Grey green

Question 11

Color of

CoCl3.xNH3

Answer 11

YiPpy JeeVi