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

Coordination sphere may be:

Question # 2

The colour of a transition metal complex is due to d-d transition The colour of the complex is the complementary of the colour absorbed. Thus [Ti(H2O6]3+abosrbs yellow light and transmits blue and red colours therefore the solution of titanium complex appears

Question # 3

Which of the following acts as ligand

Question # 4

3-d series elements are present in:

Question # 5

5-d series is in the period :

Question # 6

Potassium ferrocyanide is a

Question # 7

Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is

Question # 8

An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is

Question # 9

Corrosion of iron can be prevented by coating the surface with

Question # 10

Bronze is an alloy of Cu and

Question # 11

Sodium thisoulophate is used in photography because of its

Question # 12

Which of the following is a non-typical transition elements

Question # 13

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

Question # 14

Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the

Question # 15

The oxidation number of Ni in [Ni(CO)4] is

Question # 16

Potassium chromate has formula

Question # 17

The coordination number of iron in [Fe(H2O)6]3+is

Question # 18

An oxidixing agent

Question # 19

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 20

Which of the following has the maximum number of unpaired d-electrons?

Question # 21

Which of the following elements does not show variable oxidation states?

Question # 22

Which alloy contains 50% copper, 25% zinc and 25% nickel

Question # 23

Which of the following is a carbonate are?

Question # 24

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

Question # 25

Maximum variable oxidation state is of:

Question # 26

The compound which gives oxygen on moderate heating is

Question # 27

Group VIB of transition elements contains

Question # 28

Titanium is used as a catalyst in

Question # 29

Which is in differnet phase form other metals

Question # 30

Besides Zn and Cu , German silver contains the metal

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
2 5-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
3 In physical and chemical properties, transition elements show
A. Similarities
B. Dissimilarities
C. Both of these
D. Somestimes similarities, sometimes dissimilarities
4 d-block elements are also called :
A. alkali metal
B. Alkaline earth metals
C. Transition elements
D. Electron deficient elements
5 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
6 What are alloys
A. A homogenous mixture of two or more elements
B. A homohenous mixture of metal and a non-metal
C. A homogenous mixture of two or more metals
D. None of the above
7 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 iron
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron
8 Bronze is an alloy of Cu and
A. Zn
B. As
C. Sb
D. Sn
9 Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements
A. Transition elements show variable oxidation states
B. Their salts are coloured
C. They can be used as catalyst
D. All of them are metals
10 The amount of Ni in stainless steel is
A. 3%
B. 4%
C. 5%
D. 8%

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