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 total number of rare earth elements is

Question # 2

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

Question # 3

Oxalic acid oxidizes to:

Question # 4

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

Question # 5

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

Question # 6

Which element belong to 5d series

Question # 7

What is wrong about transition metals?

Question # 8

Potassium chromate has formula

Question # 9

Which of the following is used as disinfectant

Question # 10

Which of the following compounds gives red precipitate with AgNO3?

Question # 11

Which of the following is a non-typical transition elements

Question # 12

Bell metal is an alloy of Sn and

Question # 13

Corrosion of iron can be prevented by coating the surface with

Question # 14

d-block elements are also called :

Question # 15

6-d series is in the period :

Question # 16

Content of carbon in steel is:

Question # 17

Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?

Question # 18

Among the lanthandes the one obtained by synthetic method is

Question # 19

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

Question # 20

Which one of the following metal ions is colourless?

Question # 21

Electronic configuration of Cu+2is

Question # 22

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

Question # 23

Which of the following is non-typical transition element?

Question # 24

Group VIB of transition elements contains

Question # 25

The total number of transition elements is

Question # 26

The protection of steel by chrome plating is due to

Question # 27

3-d series elements are present in:

Question # 28

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

Question # 29

Interstitial compounds have

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following element is responsible for oxidation of water to O2in biological process?
A. Fe
B. Mn
C. Cu
D. Mo
2 Bessemer converter is used in the manufacture of
A. Pig iron
B. Steel
C. Wrought iron
D. Cast iron
3 Oxalic acid oxidizes to:
A. CO
B. CO2
C. Oxalates
D. None of these
4 What is wrong about transition metals?
A. Diamagnetic
B. Paramagnetic
C. Form complexes
D. Shows variable oxidation state
5 Coordination number of Pt in [PtCl (NO2) (NH3)4]2-
A. 2-
B. 4
C. 1
D. 6
6 What is the name of the comlex [Ni(CO)4]
A. Tetracarbonylnickel (o)
B. Tetracabonylnickel
C. Tetracabonylnickel (II)
D. Tetracabonylnickel (IV)
7 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons
8 Which is non typical transition element :
A. Ni
B. Co
C. Y
D. Fe
9 Cu2+with d9electronic configuration appears
A. Yellow
B. Pink
C. Blue
D. Green
10 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30

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