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

The lanthanides contraction is responsible for the fact that

Question # 2

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

Question # 3

Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is

Question # 4

Which of the following is a not typical transition element

Question # 5

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

Question # 6

The total number of d-bock transition element is

Question # 7

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

Question # 8

Which of the following acts as ligand

Question # 9

Solubility of KMnO4 at higher temperature is:

Question # 10

Which is the correct electronic configuration of Cr - 24

Question # 11

The colour of the transition metal compounds is due to

Question # 12

Maximum variable oxidation state is of:

Question # 13

Transition elements form which type of bond

Question # 14

Which of the following transition metal ions will have definite value of magnetic moment?

Question # 15

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

Question # 16

Which of the following is not an element?

Question # 17

Which one of the following metal ions is colourless?

Question # 18

What is wrong about transition metals?

Question # 19

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

Question # 20

f-block elements are called :

Question # 21

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

Question # 22

Corrosion of iron can be prevented by coating the surface with

Question # 23

Which element has 4 unpaired electrons in 3d-orbital

Question # 24

Which of the following compounds gives red precipitate with AgNO3?

Question # 25

The total number of inner transition elements in the periodic table is

Question # 26

Most transition elements show

Question # 27

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

Question # 28

Cu2+with d9electronic configuration appears

Question # 29

In the extraction of iron, slag is produced which is

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The amount of Ni in stainless steel is
A. 3%
B. 4%
C. 5%
D. 8%
2 Bell metal is an alloy of Sn and
A. Copper
B. Iron
C. Zinc
D. Magnesium
3 Corrosion may be prevented by
A. Allcying
B. Paints
C. Metallic coatings
D. All
4 The lanthanides contraction is responsible for the fact that
A. Zr and Y have about the same radius
B. Zr and Nb have similar oxidsation state
C. Zr and Hf have about the same radius
D. Zr and Zn have the same oxidation satete
5 Solubility of KMnO4 at higher temperature is:
A. 5%
B. 7%
C. 15%
D. 25%
6 Transition elements form which type of bond
A. Ionic bonds only
B. Covalent bonds only
C. Ionic and covalent bonds
D. Polar bonds
7 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction
8 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
9 In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is
A. 3
B. 2
C. 5
D. Zero
10 [Zn(NH3)4]3+possess geometry
A. Square plannar
B. Hexagonal
C. Tetrahedral
D. None of these

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