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 colour of transition metal complexes is due to:

Question # 2

Which metal is used for catalytic hydrogenation of oils

Question # 3

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

Question # 4

Which of the following is used as disinfectant

Question # 5

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

Question # 6

6-d series is in the period :

Question # 7

Turnbull's blue is a compound called?

Question # 8

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

Question # 9

Group VI-B of transition elements contains:

Question # 10

The number of unpaired electrons in Fe3+(Z = 26) are

Question # 11

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

Question # 12

Which of the following is a typical transition metal?

Question # 13

Which of the following is a transition element

Question # 14

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

Question # 15

Transition metals mostly are

Question # 16

An oxidixing agent

Question # 17

Most transition elements show

Question # 18

Which is non typical transition element :

Question # 19

Bessemer converter is used in the manufacture of

Question # 20

Stainless steel contains ion and carbon along with

Question # 21

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

Question # 22

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

Question # 23

Which of the following is not related to transition metals

Question # 24

The amount of Ni in stainless steel is

Question # 25

Potassium hexacyanoferrate (II) has the formula

Question # 26

E.D.T.A is

Question # 27

Corrosion may be prevented by

Question # 28

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

Question # 29

Which one of the following metal ions is colourless?

Question # 30

Out of 110 known elements, transition elements are

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
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 is non-typical transition element?
A. Cr
B. Mn
C. Zn
D. Fe
4 Coordination sphere may be:
A. Cationic
B. Anionic
C. Neutral
D. All above
5 The number of unpaired electrons in Mn2+is
A. 5
B. 4
C. 3
D. 2
6 AgCl is soluble is
A. Aqua regia
B. H2SO4
C. HCl
D. NH3
7 Which element belong to 5d series
A. V
B. Nb
C. Pd
D. Hf
8 An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is
A. 24
B. 23
C. 22
D. 21
9 How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?
A. 10
B. 5
C. 6
D. 2
10 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

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