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

00:00
Question # 1

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 2

Which of the following is not related to transition metals

Question # 3

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

Question # 4

Rusting of iron is catalysed by

Question # 5

AgCl is soluble is

Question # 6

Most transition elements show

Question # 7

Which of the following is non-typical transition element?

Question # 8

In physical and chemical properties, transition elements show

Question # 9

The lanthanides contraction is responsible for the fact that

Question # 10

The iron obtained from blast furnace is

Question # 11

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

Question # 12

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

Question # 13

Which is non typical transition element :

Question # 14

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

Question # 15

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

Question # 16

Titanium is used as a catalyst in

Question # 17

Which element belong to 5d series

Question # 18

Transition metals form complexes due to the participation of partially filled

Question # 19

The number of unpaired electrons in Mn2+is

Question # 20

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

Question # 21

5-d series is in the period :

Question # 22

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

Question # 23

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

Question # 24

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 25

The Mn3+has ______ color

Question # 26

German silver does not contain

Question # 27

What are alloys

Question # 28

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

Question # 29

Which element has 4 unpaired electrons in 3d-orbital

Question # 30

Which of the following metals is sometimes found in native state in nature?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 In the manufacture of iron from haematitie,limestone is added to act as
A. Flux
B. A reducing agent
C. Slag
D. An oxidizing agent
2 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
3 Which of the following elements does not show variable oxidation states?
A. Copper
B. Iron
C. Zinc
D. Titanium
4 Across the lanthanide series, the basicity of the lanthanide hydroxides
A. Increases
B. Decreases
C. First increases and then decreases
D. First decreases and then increases
5 A transition metal complex can be recognized by various terms. Which is not the proper term
A. Central metal ion
B. Coordination number
C. Ligand
D. Geometry of complex
6 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
7 A phtotographic plate is coated with an emulsion of silver nitrate and
A. AgCI
B. AgI
C. AgBr
D. NaNO3
8 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
9 Mercury is the only metal which is liquid at 0°C. this is due to its
A. Very high ionization energy and weak metallic bond
B. Low ionization potential
C. High atomic weight
D. High vapour pressure
10 Which period starts from 11Sc to 30Zn ?
A. First Period
B. Second Period
C. Third Period
D. 4th Period

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