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

Which of the following is a non-typical transition elements

Question # 2

Oxalic acid oxidizes to:

Question # 3

The colour of the transition metal compounds is due to

Question # 4

Which is used to identify Cu2+ions

Question # 5

Steel may be manufacture by two processes which two are correct

Question # 6

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

Question # 7

The colour of transition metal complexes is due to:

Question # 8

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

Question # 9

f-block elements are called :

Question # 10

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

Question # 11

Which of the following compounds gives red precipitate with AgNO3?

Question # 12

Property of transition element is :

Question # 13

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

Question # 14

Which metal is used for catalytic hydrogenation of oils

Question # 15

Turnbull's blue is a compound called?

Question # 16

d-block elements are also called :

Question # 17

The number of unpaired electrons in Mn2+is

Question # 18

Which of the following is used as disinfectant

Question # 19

Which of the following is not correct about transition metals?

Question # 20

[Zn(NH3)4]3+possess geometry

Question # 21

Which element does not belong to 4d series

Question # 22

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

Question # 23

f-Block elements are also called

Question # 24

Bell metal is an alloy of Sn and

Question # 25

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

Question # 26

Coordination number of Pt in [PtCl (NO2) (NH3)4]2-

Question # 27

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

Question # 28

Which one of the following metal ions is colourless?

Question # 29

Corrosion of iron can be prevented by coating the surface with

Question # 30

E.D.T.A is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 In physical and chemical properties, transition elements show
A. Similarities
B. Dissimilarities
C. Both of these
D. Somestimes similarities, sometimes dissimilarities
2 The lanthanides contraction is responsible for the fact that
A. Zr and Y have about the same radius
B. Zr and Nb have similar oxidsation state
C. Zr and Hf have about the same radius
D. Zr and Zn have the same oxidation satete
3 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
4 The amount of Ni in stainless steel is
A. 3%
B. 4%
C. 5%
D. 8%
5 An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is
A. 24
B. 23
C. 22
D. 21
6 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6
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 Which is the correct electronic configuration of Cr - 24
A. 1s2, 2s2, 2p6, 3s2, 3p6, 3d4, 4s2
B. 1s2, 2s2, 2p6, 3s2, 3p6, 3d3, 4s2, 4p1
C. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4s1
D. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4p1
9 Coordination number of Pt in [PtCl (NO2) (NH3)4]2-
A. 2-
B. 4
C. 1
D. 6
10 Which of the following is a carbonate are?
A. Pyrolusite
B. Malchite
C. Diaspore
D. cassiterite

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