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

Solubility of KMnO4 at higher temperature is:

Question # 2

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

Question # 3

5-d series is in the period :

Question # 4

The total number of transition elements is:

Question # 5

Bell metal is an alloy of

Question # 6

The colour of transition metal complexes is due to

Question # 7

Rusting of iron is catalysed by

Question # 8

Which of the following transition metal ions will have definite value of magnetic moment?

Question # 9

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

Question # 10

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

Question # 11

E.D.T.A is

Question # 12

Which of the following acts as ligand

Question # 13

3-d series elements are present in:

Question # 14

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

Question # 15

Platinum (IV) chloride combines with ammonia to form compounds in which the coordination number of the platinum is 6. A formula unit on one of the compound contains a cation and only two chloride ions. What is the formula of this compound

Question # 16

The color of Cr3+ion is

Question # 17

Which is in differnet phase form other metals

Question # 18

f-block elements are called :

Question # 19

Which element has 4 unpaired electrons in 3d-orbital

Question # 20

The total number of d-bock transition element is

Question # 21

The colour of transition metal complexes is due to

Question # 22

Potassium chromate has formula

Question # 23

Rusting can be avoided by :

Question # 24

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

Question # 25

Which of the following is used as disinfectant

Question # 26

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

Question # 27

Which is non typical transition element :

Question # 28

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

Question # 29

Content of carbon in steel is:

Question # 30

Which of the following is a not typical transition element

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
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 one of the following has highest density
A. Zn
B. Os
C. Ni
D. Cu
4 Which of the following is non-typical transition element?
A. Cr
B. Mn
C. Zn
D. Fe
5 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
6 Which metal is used for catalytic hydrogenation of oils
A. Cu
B. Pt
C. Ni
D. Pd
7 Turnbull's blue is a compound called?
A. Ferricyanide
B. Ferrous ferricyanide
C. Ferrous cyanide
D. Ferri - Ferro cyanide
8 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30
9 d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect
A. They show variable valency
B. Their ions and compounds are coloured
C. They are good conductors of heat and electricity
D. Their compounds are diamagnetic
10 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50

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