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

Question # 2

Bronze is an alloy of Cu and

Question # 3

What is the shape of Fe(CO)5molecule?

Question # 4

German silver does not contain

Question # 5

Which is used to identify Cu2+ions

Question # 6

d-block elements are also called :

Question # 7

What is wrong about transition metals?

Question # 8

Content of carbon in steel is:

Question # 9

Among the lanthandes the one obtained by synthetic method is

Question # 10

CuSO4. 5H2O is used to prepare

Question # 11

The total number of transition elements is

Question # 12

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

Question # 13

The total number of transition elements is:

Question # 14

f-block elements are called :

Question # 15

[Zn(NH3)4]3+possess geometry

Question # 16

What is the name of the comlex [Ni(CO)4]

Question # 17

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

Question # 18

Rusting can be avoided by :

Question # 19

In the extraction of iron, slag is produced which is

Question # 20

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

Question # 21

The less reactivity of transition metal is due to

Question # 22

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 23

Rusting of iron is catalysed by

Question # 24

The lanthanides contraction is responsible for the fact that

Question # 25

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

Question # 26

Cuprous ore among the following is

Question # 27

In the manufacture of iron from haematitie,limestone is added to act as

Question # 28

Stainless steel contains Cr upto

Question # 29

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

Question # 30

Which of the following compounds gives red precipitate with AgNO3?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Bessemer converter is used in the manufacture of
A. Pig iron
B. Steel
C. Wrought iron
D. Cast iron
2 Rusting can be avoided by :
A. Making alloys
B. Tin or Zinc plating
C. Use of enamel
D. All of these
3 What is the name of the comlex [Ni(CO)4]
A. Tetracarbonylnickel (o)
B. Tetracabonylnickel
C. Tetracabonylnickel (II)
D. Tetracabonylnickel (IV)
4 The amount of Ni in stainless steel is
A. 3%
B. 4%
C. 5%
D. 8%
5 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
6 Which has the largest radius?
A. CO3+
B. Mn3+
C. Fe3+
D. Cr3+
7 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
8 [Zn(NH3)4]3+possess geometry
A. Square plannar
B. Hexagonal
C. Tetrahedral
D. None of these
9 Across the lanthanide series, the basicity of the lanthanide hydroxides
A. Increases
B. Decreases
C. First increases and then decreases
D. First decreases and then increases
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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