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 colour of the transition metal compounds is due to

Question # 2

Corrosion may be prevented by

Question # 3

The total number of rare earth elements is

Question # 4

The iron obtained from blast furnace is

Question # 5

Electronic configuration of Cu+2is

Question # 6

3-d series elements are present in:

Question # 7

Most transition elements show

Question # 8

[Co(NH3)6]3+will form ______ structure

Question # 9

Oxalic acid oxidizes to:

Question # 10

Which of the following is not related to transition metals

Question # 11

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

Question # 12

Potassium ferrocyanide is a

Question # 13

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

Question # 14

Titanium is used as a catalyst in

Question # 15

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

Question # 16

f-block elements are called :

Question # 17

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

Question # 18

[Ti(H2O)6]+3ion absorbs colour:

Question # 19

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

Question # 20

Out of 110 known elements, transition elements are

Question # 21

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

Question # 22

Which of the following is used as disinfectant

Question # 23

Besides Zn and Cu , German silver contains the metal

Question # 24

Maximum variable oxidation state is of:

Question # 25

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

Question # 26

E.D.T.A is

Question # 27

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

Question # 28

In the manufacture of iron from haematitie,limestone is added to act as

Question # 29

Transition elements form which type of bond

Question # 30

Which of the following is non-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 Which is in differnet phase form other metals
A. Ni
B. Hg
C. Cd
D. Na
3 3-d series elements are present in:
A. First period
B. Second Period
C. Third period
D. 4th period
4 Which metal is used for catalytic hydrogenation of oils
A. Cu
B. Pt
C. Ni
D. Pd
5 The free spaces between the metal atoms and its crystal lattice are called
A. Valance spaces
B. Empty spaces
C. Interstices
D. None
6 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
7 Which of the following is not related to transition metals
A. They have a high tensile strength
B. They are ductile
C. They are malleable
D. They have low melting points
8 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
9 Which alloy contains 50% copper, 25% zinc and 25% nickel
A. German silver
B. Gun metal
C. Bell metal
D. Brass
10 Sodium thisoulophate is used in photography because of its
A. Oxidizing behaviour
B. Reducing behaviour
C. Complexing behaviour
D. Photochemical behaviour

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