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

Rusting of iron is catalysed by

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

Corrosion may be prevented by

Question # 4

Interstitial compounds have

Question # 5

Bell metal is an alloy of Sn and

Question # 6

The number of unpaired electrons in ferrous ion ( Z - 26) is

Question # 7

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

Question # 8

d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect

Question # 9

Which element does not belong to 3d transition series

Question # 10

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

Question # 11

The number of unpaired electrons in Fe3+(Z = 26) are

Question # 12

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

Question # 13

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

Question # 14

6-d series is in the period :

Question # 15

The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is

Question # 16

Which of the following is a transition element

Question # 17

Transition elements form which type of bond

Question # 18

Solubility of KMnO4 at higher temperature is:

Question # 19

The protection of steel by chrome plating is due to

Question # 20

The total number of d-bock transition element is

Question # 21

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Question # 22

Maximum variable oxidation state is of:

Question # 23

The colour of transition metal complexes is due to

Question # 24

Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements

Question # 25

[Ti(H2O)6]+3ion absorbs colour:

Question # 26

Corrosion of iron can be prevented by coating the surface with

Question # 27

Which is in differnet phase form other metals

Question # 28

Which of the following metals is sometimes found in native state in nature?

Question # 29

Transition metals mostly are

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 The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal
A. sp3
B. dsp2
C. dsp3
D. d2sp3
2 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
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 What is the name of the comlex [Ni(CO)4]
A. Tetracarbonylnickel (o)
B. Tetracabonylnickel
C. Tetracabonylnickel (II)
D. Tetracabonylnickel (IV)
5 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal
6 f-block elements are called :
A. Alkali metal
B. Alkakline earth metals
C. Transition elements
D. Electron deficient elements
7 Which element does not belong to 4d series
A. Y
B. Zr
C. Mo
D. Zn
8 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10
9 4-d series is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
10 Which of the following is not related to transition metals
A. They have a high tensile strength
B. They are ductile
C. They are malleable
D. They have low melting points

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