ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 17 Transition Elements

Try The MCQ's Test For ECAT Chemistry Chapter 17 Transition Elements

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ECAT Chemistry Chapter 17 Transition Elements

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Question # 1

Potassium hexacyanoferrate (II) has the formula

Question # 2

The oxidation state of Fe in [Fe(CN)6]3-is

Question # 3

[Cu[NH3)4]+2will form ______ structure

Question # 4

In physical and chemical properties, transition elements show

Question # 5

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 6

Which metal is used for catalytic hydrogenation of oils

Question # 7

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 8

Which of the following is a transition element

Question # 9

Transition elements are called so because:

Question # 10

CuSO4. 5H2O is used to prepare

Question # 11

Which of the following is a carbonate are?

Question # 12

The free spaces between the metal atoms and its crystal lattice are called

Question # 13

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

Question # 14

Elements in which f-orbitals are in the process of completion are called

Question # 15

The number of unpaired electrons in Mn2+is

Question # 16

Cuprous ore among the following is

Question # 17

Which of the following is not an element?

Question # 18

In the extraction of iron, slag is produced which is

Question # 19

The percentage of carbon in different types of iron products is in the order of:

Question # 20

Which element does not belong to 4d series

Question # 21

Sodium thisoulophate is used in photography because of its

Question # 22

3-d series elements are present in:

Question # 23

d-block elements are also called :

Question # 24

Non-formation of menisus by Hg in presence of O3is due to the formation of

Question # 25

Which of the following is not correct about transition metals?

Question # 26

Maximum variable oxidation state is of:

Question # 27

Which of the following metal exhibits more than one oxidation?

Question # 28

Series starting from57La,42Hf -80Hg is in the period:

Question # 29

The total number of d-bock transition element is

Question # 30

Which of the following is a typical transition metal?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Turnbull's blue is a compound called?
A. Ferricyanide
B. Ferrous ferricyanide
C. Ferrous cyanide
D. Ferri - Ferro cyanide
2 Misch mental is
A. An alloy of Aluminium
B. A mixture of chromium and lead chromate
C. An alloy of lanthanoid metals
D. An alloy of copper
3 Corrosion of iron can be prevented by coating the surface with
A. Zn
B. Sn
C. Ni
D. Any of the above
4 The amount of Ni in stainless steel is
A. 3%
B. 4%
C. 5%
D. 8%
5 The protection of steel by chrome plating is due to
A. Cathodic protection
B. Anodic protection
C. Covering of steel surface
D. Formation of alloy with iron
6 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
7 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
8 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+
9 Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because
A. It less reactive than copper
B. A layer of sulphates is deposited on it
C. An inert layer of iron oxide is deposited on it
D. All valence electrons of iron are consumed
10 The percentage of carbon in different types of iron products is in the order of:
A. Cast iron > wrought iron > steel
B. wrought iron > steel > cast rion
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron

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