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 total number of d-bock transition element is

Question # 2

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

Question # 3

Which period starts from 11Sc to 30Zn ?

Question # 4

Potassium chromate has formula

Question # 5

Bronze is an alloy of Cu and

Question # 6

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

Question # 7

Corrosion may be prevented by

Question # 8

Which element belong to 5d series

Question # 9

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

Question # 10

Which is the correct electronic configuration of Cr - 24

Question # 11

Which of the following is a typical transition metal?

Question # 12

What are alloys

Question # 13

Most transition elements show

Question # 14

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

Question # 15

The Mn3+has ______ color

Question # 16

Transition metals form complexes due to the participation of partially filled

Question # 17

d-block elements are also called :

Question # 18

Turnbull's blue is a compound called?

Question # 19

German silver does not contain

Question # 20

Which of the following is a typical transition metal

Question # 21

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

Question # 22

Out of 110 known elements, transition elements are

Question # 23

Oxalic acid oxidizes to:

Question # 24

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

Question # 25

d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect

Question # 26

The number of unpaired electrons in Mn2+is

Question # 27

Content of carbon in steel is:

Question # 28

Bessemer converter is used in the manufacture of

Question # 29

The compound which gives oxygen on moderate heating is

Question # 30

f-Block elements are also called

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which element belong to 5d series
A. V
B. Nb
C. Pd
D. Hf
2 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
3 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
4 All 3d series elements show variable oxidation states. The one shown by all 3d elements is
A. +2
B. +3
C. +4
D. +5
5 In the manufacture of iron from haematitie,limestone is added to act as
A. Flux
B. A reducing agent
C. Slag
D. An oxidizing agent
6 Rusting of iron is catalysed by
A. Fe
B. O2
C. Zn
D. H+
7 Which is the correct electronic configuration of Cr - 24
A. 1s2, 2s2, 2p6, 3s2, 3p6, 3d4, 4s2
B. 1s2, 2s2, 2p6, 3s2, 3p6, 3d3, 4s2, 4p1
C. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4s1
D. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4p1
8 Interstitial compounds have
A. Half formula
B. Fixed formula
C. Indefinite formula
D. None
9 AgCl is soluble is
A. Aqua regia
B. H2SO4
C. HCl
D. NH3
10 Which is not a bidentate ligand
A.

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