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

Question # 2

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 3

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

Question # 4

The number of unpaired electrons in Mn2+is

Question # 5

Cu2+with d9electronic configuration appears

Question # 6

The lanthanides contraction is responsible for the fact that

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Question # 11

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

Question # 12

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 13

In physical and chemical properties, transition elements show

Question # 14

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

Question # 15

Corrosion of iron can be prevented by coating the surface with

Question # 16

Stainless steel contains ion and carbon along with

Question # 17

f-block elements are called :

Question # 18

Series starting from57La,42Hf -80Hg is in the period:

Question # 19

High purity copper metal is obtained by

Question # 20

Which is in differnet phase form other metals

Question # 21

Potassium ferrocyanide is a

Question # 22

Which has the largest radius?

Question # 23

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

Question # 24

The color of Cr3+ion is

Question # 25

Which of the following is a non-typical transition elements

Question # 26

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

Question # 27

The Mn3+has ______ color

Question # 28

The colour of transition metal complexes is due to

Question # 29

Which of the following is used as disinfectant

Question # 30

Most common oxidation states shownby cerium are

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which is non typical transition element :
A. Ni
B. Co
C. Y
D. Fe
2 d-block elements are also called :
A. alkali metal
B. Alkaline earth metals
C. Transition elements
D. Electron deficient elements
3 The protection of steel by chrome plating is due to
A. Cathodic protection
B. Anodic protection
C. Covering of steel surface
D. Formation of alloy with iron
4 Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is
A. 2-
B. 4
C. 1
D. 6
5 Which of the following metal exhibits more than one oxidation?
A. Na
B. Mg
C. Fe
D. Al
6 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
7 Which element does not belong to 4d series
A. Y
B. Zr
C. Mo
D. Zn
8 The total number of transition elements is
A. 10
B. 14
C. 40
D. 50
9 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b
10 Which has the largest radius?
A. CO3+
B. Mn3+
C. Fe3+
D. Cr3+

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