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

Question # 2

Which of the following compounds gives red precipitate with AgNO3?

Question # 3

Which element has 4 unpaired electrons in 3d-orbital

Question # 4

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

Question # 5

Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the

Question # 6

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

Question # 7

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

Question # 8

Which of the following is a non-typical transition elements

Question # 9

Bronze is an alloy which contains

Question # 10

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

Question # 11

Which one of the following has highest density

Question # 12

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

Question # 13

Which of the following is a typical transition metal

Question # 14

Cuprous ore among the following is

Question # 15

Bell metal is an alloy of Sn and

Question # 16

Transition elements form which type of bond

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

[Zn(NH3)4]3+possess geometry

Question # 21

f-Block elements are also called

Question # 22

Which of the following is not correct about transition metals?

Question # 23

Maximum variable oxidation state is of:

Question # 24

The compound which gives oxygen on moderate heating is

Question # 25

The total number of transition elements is

Question # 26

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

Question # 27

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

Question # 28

Besides Zn and Cu , German silver contains the metal

Question # 29

The total number of transition elements is:

Question # 30

5-d series is in the period :

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
A. Blue
B. Red
C. Yellow
D. Mixture of blue and red or violet
2 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
3 Which of the following acts as ligand
A. NH3
B. NH2-- CH2-- CH2-- NH2
C. C2O2-4
D. All these
4 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal
5 4-d series is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
6 [Zn(NH3)4]3+possess geometry
A. Square plannar
B. Hexagonal
C. Tetrahedral
D. None of these
7 Cu2+with d9electronic configuration appears
A. Yellow
B. Pink
C. Blue
D. Green
8 Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because
A. It less reactive than copper
B. A layer of sulphates is deposited on it
C. An inert layer of iron oxide is deposited on it
D. All valence electrons of iron are consumed
9 [Ti(H2O)6]+3ion absorbs colour:
A. Blue
B. Yellow
C. Green
D. Red
10 Electronic configuration of Cu+2is
A. 4S2, 3d9
B. 4s-1, 3d10
C. 4S0, 3d9
D. None of these

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