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

Question # 2

The lanthanides contraction is responsible for the fact that

Question # 3

f-Block elements are also called

Question # 4

Which of the following is not an element?

Question # 5

Interstitial compounds have

Question # 6

Turnbull's blue is a compound called?

Question # 7

Which element belong to 5d series

Question # 8

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

Question # 9

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

Question # 10

E.D.T.A is

Question # 11

[Cu[NH3)4]+2will form ______ structure

Question # 12

The geometry of [Co(NH3)6]3+is

Question # 13

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

Question # 14

Which element has 4 unpaired electrons in 3d-orbital

Question # 15

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

Question # 16

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

Question # 17

Which of the following is a typical transition metal?

Question # 18

Coordination sphere may be:

Question # 19

5-d series is in the period :

Question # 20

Oxalic acid oxidizes to:

Question # 21

Stainless steel contains ion and carbon along with

Question # 22

Besides Zn and Cu , German silver contains the metal

Question # 23

Which of the following is non-typical transition element?

Question # 24

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

Question # 25

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

Question # 26

An oxidixing agent

Question # 27

In physical and chemical properties, transition elements show

Question # 28

6-d series is in the period :

Question # 29

The total number of d-bock transition element is

Question # 30

Electronic configuration of Cu+2is

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Sr.# Question Answer
1 The Mn3+has ______ color
A. Violet
B. Green
C. Red/brown
D. No color
2 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction
3 The amount of Ni in stainless steel is
A. 3%
B. 4%
C. 5%
D. 8%
4 Elements in which f-orbitals are in the process of completion are called
A. Outer transition element
B. Inner transition elements
C. Non-tranistion elements
D. Radioactive elements
5 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
6 The color of Cr3+ion is
A. Violet
B. Blue
C. Pink
D. Green
7 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
8 Corrosion of iron can be prevented by coating the surface with
A. Zn
B. Sn
C. Ni
D. Any of the above
9 Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the
A. Reduction of Cu2+
B. Oxidation of Cu2+
C. Reduction of Fe
D. Reduction of Fe3+
10 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

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