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

The oxidation number of Ni in [Ni(CO)4] is

Question # 2

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

Question # 3

Electronic configuration of Cu+2is

Question # 4

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

Question # 5

The formula of curprite is

Question # 6

The color of Cr3+ion is

Question # 7

Group VIB of transition elements contains

Question # 8

Out of 110 known elements, transition elements are

Question # 9

E.D.T.A is

Question # 10

The total number of d-bock transition element is

Question # 11

What are alloys

Question # 12

High purity copper metal is obtained by

Question # 13

Which of the following is not correct about transition metals?

Question # 14

5-d series is in the period :

Question # 15

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

Question # 16

The oxidation state of Fe in [Fe(CN)6]3-is

Question # 17

Which of the following elements does not show variable oxidation states?

Question # 18

Property of transition element is :

Question # 19

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

Question # 20

f-Block elements are also called

Question # 21

Potassium chromate has formula

Question # 22

An oxidixing agent

Question # 23

Bell metal is an alloy of Sn and

Question # 24

Rusting can be avoided by :

Question # 25

Maximum variable oxidation state is of:

Question # 26

Turnbull's blue is a compound called?

Question # 27

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

Question # 28

The protection of steel by chrome plating is due to

Question # 29

The lanthanides contraction is responsible for the fact that

Question # 30

The total number of transition elements is:

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons
2 Which of the following is a transition element
A. Sr
B. Sn
C. Cr
D. Pb
3 Which element does not belong to 4d series
A. Y
B. Zr
C. Mo
D. Zn
4 The number of unpaired electrons in Fe3+(Z = 26) are
A. 5
B. 6
C. 3
D. 4
5 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
6 Corrosion may be prevented by
A. Allcying
B. Paints
C. Metallic coatings
D. All
7 The colour of the transition metal compounds is due to
A. p-d transition
B. d-d transition
C. s-p transition
D. None of these
8 Elements in which f-orbitals are in the process of completion are called
A. Outer transition element
B. Inner transition elements
C. Non-tranistion elements
D. Radioactive elements
9 Solubility of KMnO4 at higher temperature is:
A. 5%
B. 7%
C. 15%
D. 25%
10 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30

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