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 elements does not show variable oxidation states?

Question # 2

Most common oxidation states shownby cerium are

Question # 3

Which of the following is not an element?

Question # 4

Transition metals form complexes due to the participation of partially filled

Question # 5

The colour of transition metal complexes is due to

Question # 6

Which has the largest radius?

Question # 7

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

Question # 8

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

Question # 9

Stainless steel contains Cr upto

Question # 10

3-d series elements are present in:

Question # 11

Which period starts from 11Sc to 30Zn ?

Question # 12

Coordination sphere may be:

Question # 13

Which of the following is a non-typical transition elements

Question # 14

Corrosion of iron can be prevented by coating the surface with

Question # 15

Bronze is an alloy which contains

Question # 16

Bell metal is an alloy of Sn and

Question # 17

The geometry of [Co(NH3)6]3+is

Question # 18

The colour of transition metal complexes is due to

Question # 19

d-block elements are also called :

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

Which of the following is a typical transition metal

Question # 24

Which of the following is a transition element

Question # 25

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

Question # 26

6-d series is in the period :

Question # 27

Transition metals mostly are

Question # 28

Stainless steel contains ion and carbon along with

Question # 29

Rusting of iron is catalysed by

Question # 30

Potassium ferrocyanide is a

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because
A. The 3rd orbital is of lower energy than 4s
B. The 4s orbital is of equal energy to 3d orbital
C. The half filled d-subshell is more stable than incomplete d-sub shell
D. 6 unpaired electrons make Cr more paramagnetic
2 Which of the following acts as ligand
A. NH3
B. NH2-- CH2-- CH2-- NH2
C. C2O2-4
D. All these
3 Misch mental is
A. An alloy of Aluminium
B. A mixture of chromium and lead chromate
C. An alloy of lanthanoid metals
D. An alloy of copper
4 6-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
5 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30
6 Which of the following is a non-typical transition elements
A. Cr
B. Mn
C. Zn
D. Fe
7 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
8 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
9 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6
10 Solubility of KMnO4 at higher temperature is:
A. 5%
B. 7%
C. 15%
D. 25%

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