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 not correct about transition metals?

Question # 2

The total number of rare earth elements is

Question # 3

An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is

Question # 4

Which is the correct electronic configuration of Cr - 24

Question # 5

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

Question # 6

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

Question # 7

German silver does not contain

Question # 8

The total number of inner transition elements in the periodic table is

Question # 9

Group VIB of transition elements contains

Question # 10

Elements in which f-orbitals are in the process of completion are called

Question # 11

Which of the following is obtained when Fe reacts with dil. HNO3?

Question # 12

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

Question # 13

Which of the following acts as ligand

Question # 14

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

Question # 15

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

Question # 16

Turnbull's blue is a compound called?

Question # 17

Choose the correct answer of transition elements?

Question # 18

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

Question # 19

5-d series is in the period :

Question # 20

CuSO4. 5H2O is used to prepare

Question # 21

E.D.T.A is

Question # 22

Which element has 4 unpaired electrons in 3d-orbital

Question # 23

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

Question # 24

A phtotographic plate is coated with an emulsion of silver nitrate and

Question # 25

Most common oxidation states shownby cerium are

Question # 26

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

Question # 27

The colour of transition metal complexes is due to:

Question # 28

[Zn(NH3)4]3+possess geometry

Question # 29

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

Question # 30

Cuprous ore among the following is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which is in differnet phase form other metals
A. Ni
B. Hg
C. Cd
D. Na
2 Turnbull's blue is a compound called?
A. Ferricyanide
B. Ferrous ferricyanide
C. Ferrous cyanide
D. Ferri - Ferro cyanide
3 Which of the following metal exhibits more than one oxidation?
A. Na
B. Mg
C. Fe
D. Al
4 The colour of transition metal complexes is due to
A. d-d transitions of electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons
5 3-d series elements are present in:
A. First period
B. Second Period
C. Third period
D. 4th period
6 The number of unpaired electrons in Fe3+(Z = 26) are
A. 5
B. 6
C. 3
D. 4
7 Which of the following is a transition element
A. Sr
B. Sn
C. Cr
D. Pb
8 6-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
9 Coordination number of Pt in [PtCl (NO2) (NH3)4]2-
A. 2-
B. 4
C. 1
D. 6
10 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

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