ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

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 total number of transition elements is

Question # 2

The colour of transition metal complexes is due to

Question # 3

d-block elements are also called :

Question # 4

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

Question # 5

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

Question # 6

Stainless steel contains ion and carbon along with

Question # 7

5-d series is in the period :

Question # 8

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 # 9

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

Question # 10

Which of the following is a typical transition metal?

Question # 11

Transition elements form which type of bond

Question # 12

3-d series elements are present in:

Question # 13

Which has the largest radius?

Question # 14

Coordination sphere may be:

Question # 15

The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal

Question # 16

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

Question # 17

Rusting can be avoided by :

Question # 18

Which element has 4 unpaired electrons in 3d-orbital

Question # 19

Which one of the following has highest density

Question # 20

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

Question # 21

Corrosion may be prevented by

Question # 22

The oxidation state of Fe in [Fe(CN)6]3-is

Question # 23

f-block elements are called :

Question # 24

Most transition elements show

Question # 25

Which of the following d-block elements can show the highest oxidation number in its compounds

Question # 26

Which of the following compounds gives red precipitate with AgNO3?

Question # 27

Which of the following acts as ligand

Question # 28

What are alloys

Question # 29

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

Question # 30

Which of the following is not an element?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following is obtained when Fe reacts with dil. HNO3?
A. N2O
B. NO
C. NO2
D. None of these
2 Which of the following is a non-typical transition elements
A. Cr
B. Mn
C. Zn
D. Fe
3 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10
4 A transition metal complex can be recognized by various terms. Which is not the proper term
A. Central metal ion
B. Coordination number
C. Ligand
D. Geometry of complex
5 Which of the following metals is sometimes found in native state in nature?
A. Al
B. Cu
C. Fe
D. Mg
6 Platinum (IV) chloride combines with ammonia to form compounds in which the coordination number of the platinum is 6. A formula unit on one of the compound contains a cation and only two chloride ions. What is the formula of this compound
A. Pt(NH3)6CI4
B. Pt(NH3)5CI4
C. Pt(NH3)4CI4
D. Pt(NH3)3CI4
7 The colour of the transition metal compounds is due to
A. p-d transition
B. d-d transition
C. s-p transition
D. None of these
8 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30
9 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
10 The amount of Ni in stainless steel is
A. 3%
B. 4%
C. 5%
D. 8%

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