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 amount of Ni in stainless steel is

Question # 2

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

Question # 3

Which of the following metal exhibits more than one oxidation?

Question # 4

The free spaces between the metal atoms and its crystal lattice are called

Question # 5

In the extraction of iron, slag is produced which is

Question # 6

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

Question # 7

Maximum variable oxidation state is of:

Question # 8

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

Question # 9

Bell metal is an alloy of Sn and

Question # 10

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

Question # 11

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 12

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

Question # 13

Which of the following compounds gives red precipitate with AgNO3?

Question # 14

Which is used to identify Cu2+ions

Question # 15

Potassium chromate has formula

Question # 16

f-block elements are called :

Question # 17

Misch mental is

Question # 18

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

Question # 19

Stainless steel contains ion and carbon along with

Question # 20

Which of the following is used as disinfectant

Question # 21

Transition elements are called so because:

Question # 22

The compound which gives oxygen on moderate heating is

Question # 23

Bessemer converter is used in the manufacture of

Question # 24

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

Question # 25

Which of the following is a non-typical transition elements

Question # 26

The total number of rare earth elements is

Question # 27

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

Question # 28

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Coordination number of Pt in [PtCl (NO2) (NH3)4]2-
A. 2-
B. 4
C. 1
D. 6
2 Which element belong to 5d series
A. V
B. Nb
C. Pd
D. Hf
3 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
4 Corrosion may be prevented by
A. Allcying
B. Paints
C. Metallic coatings
D. All
5 Non-formation of menisus by Hg in presence of O3is due to the formation of
A. Mercuric oxide
B. Mercurous oxide
C. Mercuric chloride
D. Mercurous chloride
6 [Ti(H2O)6]+3ion absorbs colour:
A. Blue
B. Yellow
C. Green
D. Red
7 Corrosion of iron can be prevented by coating the surface with
A. Zn
B. Sn
C. Ni
D. Any of the above
8 Which of the following is not correct about transition metals?
A. Their melting and boiling points are high
B. Their compounds are generally coloured
C. They can form ionic or covalent compounds
D. They do not exhibit variable valency
9 Which of the following is a not typical transition element
A. Cr
B. Mn
C. Zn
D. Fe
10 Stainless steel contains Cr upto
A. 12%
B. 18%
C. 10%
D. 5%

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