wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Transition Elements

Total questions: 77

Worksheet time: 6hrs 25mins

Name
Class
Date
1.
Transition elements are defined as
a)
d block elements from Sc to Zn
b)
d block elements with electrons in d orbital
c)
d block elements with 3d orbitals
d)
d blocks elements with partially filled d orbitals
2.
Electron configuration for Cr is 4s13d5 and NOT 4s23d4. Why?
a)
Half filled 3d orbital is most stable
b)
Fully filled orbital is more stable
c)
4s1 is more stable than 4s2
d)
3d5 is more stable than 3d4
3.
Electron configuration for Cu is 4s13d10 and NOT 4s23d9. Why?
a)
Half filled 3d orbital is most stable
b)
Fully filled 3d orbital is more stable
c)
Partially filled 3d orbital is more stable
d)
4s1 is more stable than 4s2
4.
Sc and Zn are not transition elements. Why?
a)
3d orbitals are empty
b)
3d orbital are fully filled
c)
3d orbitals are partially filled
d)
3d orbitals are not partially filled
5.
Which of the following is NOT a chemical property of transition metal?
a)
Formation of complex ion
b)
Variable oxidation states
c)
Different shapes
d)
Formation of coloured complexes
6.
Formation of colour complexes is due to the following except
a)
Nature of transition element
b)
Oxidation states
c)
Different ligands
d)
3d orbitals
7.
Transition metal have variable oxidation states due to
a)
ability to lose electron from 3d and 4s
b)
ability to lose electrons from 4s
c)
ability to form complex ions
d)
ability to react with ligands
8.
Complex metal ions shown in diagram below is made up of
a)
ligands
b)
transition metals
c)
different ligands
d)
ligands and transition metal
9.
Which of the following is FALSE about complex ion shown in diagram below?
a)
Overall charge of 2-
b)
CI- ion as ligands
c)
Cu2+ as transition metal ion
d)
Covalent bonding between Cu2+ and ligands
10.
State the charge on the metal ion complex [Cu(Cl2)]- shown in diagram below.
a)
-1
b)
+1
c)
-2
d)
+2
11.
Which of the following statement is FALSE about ligand?
a)
It can be neutral or negative charge species
b)
It is an electron donor
c)
It form dative bond with metal ion
d)
It is a Lewis base
12.
Which of the following statement is FALSE about ligand displacement?
a)
CI- ion is a stronger ligand than H2O
b)
Ligands lone pairs donors
c)
Ligand form dative bond with Cu2+
d)
Cu2+ are transition metal ligands
13.
Explain how transition metal acts as a catalyst
a)
it has 3d and 4s electrons to form temporary bonds
b)
can lower the activation energy of a reaction
c)
it speed up a chemical reaction
d)
it will not get used up in a reaction
14.
Which of the following pair is FALSE for catalyst used in a reaction?
a)
Haber process - Fe
b)
Contact process - Pt
c)
Hydrogenation of magerine - Ni
d)
H2O2 decomposition - MnO2
15.

Ligand + central metal atom/ion will form

a)

compound

b)

complex

c)

molecule

d)

substance

16.

Which of the followings is not a common shape for complexes?

a)

trigonal planar

b)

tetrahedral

c)

square planar

d)

octahedral

17.

Which of the followings is not a monodentate?

a)

water

b)

ammonia

c)

1,2-diaminoethane

d)

hydroxide ion

18.

What is the coordination no. of this complex?

a)

2

b)

4

c)

6

d)

8

19.

What is the shape of this complex?

a)

linear

b)

tetrahedral

c)

square planar

d)

octahedral

20.

What is the oxidation state of Co?

a)

0

b)

+1

c)

+2

d)

+3

21.

How do define coordination number?

a)

no of ligands around the central metal atom/ion

b)

no of molecules around the central metal atom/ion

c)

no of dative covalent bond around the central metal atom/ion

d)

oxidation state of the central metal atom/ion

22.

What is the shape of this complex ion?

a)

Hexagonal

b)

Octahedral

c)

Square Planar

d)

Tetrahedral

23.

What is the name of this complex ion?

a)

Iron Hexaaqua (II)

b)

Hexaaquairon (II)

c)

Hexaaquaferrate (II)

d)

Aquairon (II)

24.

What is the name of this complex ion?

a)

Tetrachlorocobalt (II)

b)

Chlorocobaltate (II)

c)

Tetrachlorocobaltate

d)

Tetrachlorocobaltate (II)

25.

What shape is this complex ion?

a)

Octahedral

b)

Square Planar

c)

Linear

d)

Tetrahedral

26.

What shape is this neutral complex ion?

a)

Octahedral

b)

Square Planar

c)

Linear

d)

Tetrahedral

27.

What is the name of this neutral complex ion?

a)

Hexaaquacobalt (II)

b)

Hexahydroxocobalt (II)

c)

Tetraaquadihydroxocobalt (II)

d)

Tetraaquadihydroxocobaltate (II)

28.

Which one of these transition metals typically forms linear complexes

a)

Silver

b)

Copper

c)

Nickel

d)

Iron

29.

What is the name of this shape?

a)

Tetrahedral

b)

Octahedral

c)

Square Planar

d)

Hexagonal

30.

What is the best name for this neutral complex / molecule?

a)

Tetracarboxylnickel

b)

Tetracarbonylnickel (II)

c)

Carbonylnickel (II)

d)

Nickel Tricarbonyl

31.

What is the best name for this complex?

a)

Hexacyanoiron (III)

b)

Hexacyanidoferrate (III)

c)

Hexacyanoferrate (III)

d)

Tetracyanoferrate (III)

32.

What is the formula of this complex?

a)

[Co(H2O)6]2+

b)

[Co(OH)2(H2O)4]2+

c)

[Co(OH)2(H2O)4]

d)

[Co(OH)6]3-

33.

What is the oxidation number of the transition

metal in each of the complexes [Co(NH3)6]3+ ?

a)

2

b)

3

c)

-2

d)

-3

34.

What is the elctronic configuration of Cu2+

a)

[Ar] 3d10 4s1

b)

[Ar] 3d9 4s2

c)

[Ar] 3d9 4s0

d)

[Ar] 3d8 4s1

35.

A transition metal complex has

a)

metal ion

b)

Ligands

c)

Counter ions

d)

molecules

36.

what will be the shape of a transition metal complex having coordination number 6

a)

Octahedral

b)

Tetrahedral

c)

Square Planar

37.

what will be the shape of a transition metal complex having coordination number 2

a)

Octahedral

b)

Linear

c)

Tetrahedral

d)

Square planar

38.

what will be the shape of a transition metal complex having coordination number 4?

a)

Tetrahedral

b)

Octahedral

c)

Square Planar

d)

Linear

39.
If red/orange region is absorbed, what is the color that we see. Refer to color wheel
a)
Red
b)
Orange
c)
Blue
d)
Yellow
40.
Color of metal complexes are due to the following factors EXCEPT
a)
Types of ligands
b)
Nature of transition metal
c)
Oxidation states
d)
Type of orbitals
41.
3d orbitals are degenerate. What does it means?
a)
All 3d orbitals are in same order
b)
All 3d orbitals have different electron arrangement
c)
All 3d orbitals are in the same energy level
d)
All 3d orbitals have the same shape
42.
Ti3+ solution in the presence of water, is violet in color. Why?
a)
Presence of water ligands cause color formation
b)
Electron can be excited
c)
Wavelength of light can be absorbed
d)
Presence of water ligand cause the splitting the 3d orbitals
43.
Sc3+ solution in the presence of water is colorless. Why?
a)
Presence of ligands cause the splitting of 3d orbital.
b)
There is no splitting of 3d orbitals
c)
There is no electrons to be excited
d)
Energy level is too high for electron to reach
44.
Zn2+ solution in the presence of water is colorless. Why?
a)
Presence of ligands cause the splitting of 3d orbital.
b)
There is no splitting of 3d orbitals
c)
There is no electrons to be excited
d)
3d orbitals are fully filled and no electrons can be excited
45.
Cu2+ solution in the presence of water is blue. Why?
a)
Splitting of 3d orbital and electron can be easily excited
b)
Blue light is aborbed to excite elec to higher energy level
c)
Blue light is emitted when elec move to lower energy level
d)
3d orbital are partially filled and electrons can be excited
46.
The following statements are true about spectrochemical series EXCEPT
a)
CN- ion is the strongest ligand
b)
Strong ligand displaces weak ligand
c)
Strong ligand causes greater split in 3d orbital
d)
Weak ligand will not split the 3d orbital
47.
Strong ligand causes a greater split of 3d orbital because
a)
greater repulsion between ligands and 3d electrons
b)
strong ligand has greater energy
c)
strong ligand causes a greater displacement
d)
strong ligand has greater electron density
48.
V5+ causes a greater split than Fe3+. Why?
a)
Stronger ESF between nucleus and ligands
b)
Weaker ESF between nucleus and ligands
c)
Stronger ESF between nucleus and ligand cause greater repulsion
d)
Weaker ESF bet nucleus and ligand cause weaker repulsion
49.
Which of the following have the greatest ΔE splitting of 3d orbitals?
a)
A
b)
B
c)
C
50.

1. The donor sites of (EDTA)4- are ?

a)

O atoms only

b)

N atoms only

c)

Two N and four O atoms

d)

Three N and three O atoms

51.

The compound having lowest oxdation state of iron is

a)

K4[Fe(CN)6]

b)

K2FeO4

c)

[Fe(CO)5]

d)

K3[Fe(CN)6]

52.

Among the following ions which one has the highest paramagnetism ?

a)

[Cr(H2O)6]+3

b)

[Fe(H2O)6]+2

c)

[Cu(H2O)6]+2

d)

[Zn(H2O)6]+2

53.

In K4[Fe(CN)6] the number of unpaired electrons in iron are

a)

0

b)

2

c)

3

d)

5

54.

The value of 'spin only' magnetic moment for one of the following configurations is 2.84 BM. The correct one is:

a)

d4 (in strong field ligand in octahedral complexes)

b)

d4 (in weak field ligand in octahedral complexes)

c)

d3 (in weak as well as strong field ligand in octahedral complexes)

d)

d5 (in strong field ligand in octahedral complexes)

55.

In K4[Fe(CN)6] the number of unpaired electrons in iron are

a)

0

b)

2

c)

3

d)

5

56.

The IUPAC name of the compound [Cu (NH3)4](NO3)2 is :

a)

Cuprammonium nitrate

b)

Tetraammine copper (II) dinitrate

c)

Tetraammine copper (II) nitrate

d)

Tetraammine copper (III) dinitrate

57.

EAN (Effective Atomic Number) of a metal carbonyl M(CO)x is 36. If atomic number of metal M is 26, what is the value of x ?

a)

4

b)

8

c)

5

d)

6

58.

Co-ordination compounds have great importance in biological systems. In this context, which statement is incorrect ?

a)

Carboxypeptidase A is an enzyme and contains zinc

b)

Haemoglobin is the red pigment of blood and contains iron

c)

Cyanocobalmin is B-12 and contains cobalt

d)

Chlorophylls are green pigments in plants and contain calcium

59.

The coordination compounds,[Co(NH3)6]3+, [Cr(CN)6]3- and [Cr(NH3)6]3+, [Co(CN)6]3- are examples of...

a)

Linkage isomerism

b)

Coordination isomerism

c)

Ionization isomerism

d)

Geometrical isomerism

60.

The sum of coordination number and oxidation number of the metal M in the complex [M(en)2 C2O4] Cl are

a)

6

b)

7

c)

8

d)

9

61.

What are typical oxidation state for Sc?

a)

-3

b)

+3

c)

-1

d)

+1

62.

What are typical oxidation state for Mn?

a)

+2

b)

+4

c)

+6

d)

+7

63.

What are typical oxidation state for Fe?

a)

+1

b)

+2

c)

+3

d)

+4

64.

Electron configuration for Sc is [Ar]4s13d1

a)

Right

b)

Wrong

65.

Electron configuration for Cu is [Ar]4s13d7?

a)

Right

b)

Wrong

66.

Electron configuration for Sc is [Ar]4s13d10?

a)

Right

b)

Wrong

67.

Diamagnetism is permanent form of magnetism.

a)

Right

b)

Wrong

68.

Transition metals are good ligands.

a)

Right

b)

Wrong

69.

What is the coordination number?

[Fe(H2O)6 ]Cl2

a)

1

b)

2

c)

4

d)

6

70.

Diamagnetism is permanent form of magnetism.

a)

Right

b)

Wrong

71.

Diamagnetism is shown when electrons are spin-paired

a)

Right

b)

Wrong

72.

Would the elements in D be paramagnetic or diamagnetic?

a)

Paramagnetic

b)

Diamagnetic

c)

Both paramagnetic and diamagnetic

d)

Some are paramagnetic, some are diamagnetic

e)

Cannot be determined from the information given

73.

Which of the following elements would be expected to be paramagnetic?

a)

Ca

b)

Zn

c)

He

d)

Mn

74.
Gaseous atoms of which of the following elements are paramagnetic: Ca, V, Co, Zn, As ?
a)
Ca and As only
b)
Zn and As only
c)
Ca, V, and Co only
d)
V, Co, and As only
75.

Among the following paramagnetic species is

a)

B2

b)

C2

c)

O2

d)

CO

76.

What is the electron configuration of S 2- using noble gas method

a)

A.[Ne]3s1

b)

B.[Ne]3s23p3

c)

C.[Ne]3s23p6

d)

D.[Ne]3s23p4

77.

Is the sodium atom paramagnetic or diamagnetic?

a)

A.paramagnetic

b)

B.diamagnetic

Similar Resources on Wayground

HC U2 Unit Review MC

72 questions

HC U2 Unit Review MC

quiz

Worksheet

•

12th Grade

Chemical Bonding Review

75 questions

Chemical Bonding Review

quiz

Worksheet

•

10th - 12th Grade

Periodic Table Of Elements

80 questions

Periodic Table Of Elements

quiz

Worksheet

•

9th - 12th Grade

Bonds and Nomenclature

75 questions

Bonds and Nomenclature

quiz

Worksheet

•

9th - 12th Grade

Ch6 Test Review (Covalent Compounds)

75 questions

Ch6 Test Review (Covalent Compounds)

quiz

Worksheet

•

KG - University

THIS IS AN IPC MAJOR GRADE

72 questions

THIS IS AN IPC MAJOR GRADE

quiz

Worksheet

•

10th - 12th Grade

Unit 6 Review: Periodic Table

80 questions

Unit 6 Review: Periodic Table

quiz

Worksheet

•

9th - 12th Grade

Chemistry Fall Final Review

75 questions

Chemistry Fall Final Review

quiz

Worksheet

•

10th - 12th Grade