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

00:00
Question # 1

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

Question # 2

What is wrong about transition metals?

Question # 3

The colour of transition metal complexes is due to:

Question # 4

The colour of transition metal complexes is due to

Question # 5

What are alloys

Question # 6

f-block elements are called :

Question # 7

The iron obtained from blast furnace is

Question # 8

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

Question # 9

Which of the following compounds gives red precipitate with AgNO3?

Question # 10

Which of the following is a transition element

Question # 11

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

Question # 12

The amount of Ni in stainless steel is

Question # 13

Which element does not belong to 4d series

Question # 14

[Co(NH3)6]3+will form ______ structure

Question # 15

Besides Zn and Cu , German silver contains the metal

Question # 16

All 3d series elements show variable oxidation states. The one shown by all 3d elements is

Question # 17

Transition metals mostly are

Question # 18

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

Question # 19

The elements in which d or f-orbitals are incomplete are called

Question # 20

Which is used to identify Cu2+ions

Question # 21

How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?

Question # 22

The total number of transition elements is

Question # 23

Which element has 4 unpaired electrons in 3d-orbital

Question # 24

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

Question # 25

Bronze is an alloy of Cu and

Question # 26

Choose the correct answer of transition elements?

Question # 27

Which of the following is a not typical transition element

Question # 28

A phtotographic plate is coated with an emulsion of silver nitrate and

Question # 29

Which one of the following metal ions is colourless?

Question # 30

Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Rusting of iron is catalysed by
A. Fe
B. O2
C. Zn
D. H+
2 Which is the correct electronic configuration of Cr - 24
A. 1s2, 2s2, 2p6, 3s2, 3p6, 3d4, 4s2
B. 1s2, 2s2, 2p6, 3s2, 3p6, 3d3, 4s2, 4p1
C. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4s1
D. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4p1
3 In the manufacture of iron from haematitie,limestone is added to act as
A. Flux
B. A reducing agent
C. Slag
D. An oxidizing agent
4 d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect
A. They show variable valency
B. Their ions and compounds are coloured
C. They are good conductors of heat and electricity
D. Their compounds are diamagnetic
5 Which of the following is a transition element
A. Sr
B. Sn
C. Cr
D. Pb
6 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
7 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+
8 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30
9 6-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
10 AgCl is soluble is
A. Aqua regia
B. H2SO4
C. HCl
D. NH3

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