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

What is the name of the comlex [Ni(CO)4]

Question # 2

In physical and chemical properties, transition elements show

Question # 3

The less reactivity of transition metal is due to

Question # 4

IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are

Question # 5

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

Question # 6

Rusting can be avoided by :

Question # 7

Which one of the following has highest density

Question # 8

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

Question # 9

Transition elements are called so because:

Question # 10

Transition elements form which type of bond

Question # 11

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

Question # 12

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

Question # 13

Steel may be manufacture by two processes which two are correct

Question # 14

The protection of steel by chrome plating is due to

Question # 15

The lanthanides contraction is responsible for the fact that

Question # 16

E.D.T.A is

Question # 17

Among the lanthandes the one obtained by synthetic method is

Question # 18

Bessemer converter is used in the manufacture of

Question # 19

Content of carbon in steel is:

Question # 20

Corrosion of iron can be prevented by coating the surface with

Question # 21

Which metal is used for catalytic hydrogenation of oils

Question # 22

Bronze is an alloy of Cu and

Question # 23

The free spaces between the metal atoms and its crystal lattice are called

Question # 24

Which is used to identify Cu2+ions

Question # 25

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

Question # 26

Non-formation of menisus by Hg in presence of O3is due to the formation of

Question # 27

High purity copper metal is obtained by

Question # 28

Which alloy contains 50% copper, 25% zinc and 25% nickel

Question # 29

Electronic configuration of Cu+2is

Question # 30

A transition element is defined as an element of 3d series

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 A phtotographic plate is coated with an emulsion of silver nitrate and
A. AgCI
B. AgI
C. AgBr
D. NaNO3
2 Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements
A. Transition elements show variable oxidation states
B. Their salts are coloured
C. They can be used as catalyst
D. All of them are metals
3 Transition metals form complexes due to the participation of partially filled
A. f-orbitals
B. d-orbitals
C. s-orbitals
D. p-orbitals
4 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
5 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
6 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
7 AgCl is soluble is
A. Aqua regia
B. H2SO4
C. HCl
D. NH3
8 Which of the following is obtained when Fe reacts with dil. HNO3?
A. N2O
B. NO
C. NO2
D. None of these
9 Corrosion may be prevented by
A. Allcying
B. Paints
C. Metallic coatings
D. All
10 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn

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