1 |
CFSE for d7 ion is. |
0.8
-0.8
-1.8
1.8
|
2 |
Which are not considered member of d-block elements. |
Zn
Cd
Hg
All above
|
3 |
The common ligands can be arranged in order of their increasing splitting power to cause d-orbitals splitting. This series is called as. |
Electro-chemical
Spectro -chemical
Physico-chemical
Spectro -electrical
|
4 |
Ao or 10 Dq is called crystal field. |
Energy
Splitting energy
Stabilization energy
None of above
|
5 |
The energy gap between tag and eg sets in denoted by |
A-
10 Dq
Both A and B
None of above
|
6 |
In group theory the triple degenerate set is denoted by |
eg
t2g
e2g
tg
|
7 |
CFT can very well explain |
Color
Magnetic properties
Spectra of transition metal
All
|
8 |
On the basic of CFT the bonding between the metal and ligand is totally |
Ionic
Covalent
Coordinate
Metallic
|
9 |
In 1952 who popularized the use of CFT for inorganic chemist |
Bethe
Orge
Van Vleck
Werner
|
10 |
CFT was originally applied to. |
Ionic crystal
Liquid crystal
Solid crystal
All above
|
11 |
VBT does not edplain |
Absorption spectra
Color of transition metal ion
Heat of formation
All above
|
12 |
VBT is unable to explain the nature of some of the complexes of. |
Cobalt
Copper
Nickle
Manganese
|
13 |
Major achievement of CFT is |
Interpreting the color
Adsorption spectra
Both A and B
None of above
|
14 |
According to CFT the metal ligand bond is considered to be ionic to presentage. |
100%
90%
50%
70%
|
15 |
Coordination compound show |
Structural isomerism
Stereo isomerism
Both A and B
None of above
|
16 |
Transition metal possess |
Definite color
Catalytic power
Both A and B
None of above
|
17 |
Metal are |
Hard
Ductile
Malleable
All
|
18 |
What types of bonding occurs in d-block elements. |
Ionic
Covalent
Metallic
Both B and C
|
19 |
Which show maximum number of oxidation states in 3d series. |
Mn
Ni
Co
Zn
|
20 |
Oxidation state of the chromium [Cr(NH3)6]3+ complex ion is |
+2
+3
+4
+5
|
21 |
CoCl3 ,6NH3 has six NH3 molecules that satisfy the valency of the Cu3+ metal ion |
Primary
Secondary
Both A and B
None of above
|
22 |
The suffix "ate" at the end of the name of the compiled signifies that it is. |
Cation
Anion
Neutral
None of above
|
23 |
Which of the following are neutral ligands. |
NH3
H2O
CO & NO
All of above
|
24 |
The bonding of transition metal complex was not well understand until the pioneer work of. |
Ps JAISWAL
GS MANKU
BR thukral
Alfred Weriner
|
25 |
The central metal atom or ion and the ligands that are directly attached to it are enclosed in a square bracket called. |
Coordiantion complex
Coordination sphere
Coordination number
Coordination compounds
|
26 |
The colour of Ni2+ ion is. |
Blue
Green
deep green
Orange
|
27 |
Number of unpaired electrons in Cu2+ ions are. |
1
2
3
4
|
28 |
The movement of an electric charge produce a magnetic field is known from the |
Elementary Physics
Elementary Chemistry
Both A and B
None of above
|
29 |
An electron has types of motion |
Spin motion
Orbital motion
Both A and B
None of above
|
30 |
The atomic and ionic radii value on moving from left to right in the sereis. |
Increase
Decrease
Does not change
None of above
|