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 Mn3+has ______ color

Question # 2

Bronze is an alloy of Cu and

Question # 3

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

Question # 4

German silver does not contain

Question # 5

Stainless steel contains ion and carbon along with

Question # 6

High purity copper metal is obtained by

Question # 7

The amount of Ni in stainless steel is

Question # 8

Which of the following is a typical transition metal?

Question # 9

Turnbull's blue is a compound called?

Question # 10

Property of transition element is :

Question # 11

Which of the following is not related to transition metals

Question # 12

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

Question # 13

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

Question # 14

Which of the following is not correct about transition metals?

Question # 15

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

Question # 16

Corrosion of iron can be prevented by coating the surface with

Question # 17

Which of the following acts as ligand

Question # 18

Interstitial compounds have

Question # 19

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

Question # 20

Which of the following is a carbonate are?

Question # 21

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

Question # 22

Rusting can be avoided by :

Question # 23

d-block elements are also called :

Question # 24

3-d series elements are present in:

Question # 25

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 26

What is wrong about transition metals?

Question # 27

The number of unpaired electrons in Mn2+is

Question # 28

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Question # 29

Coordination sphere may be:

Question # 30

Which period starts from 11Sc to 30Zn ?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Sodium thisoulophate is used in photography because of its
A. Oxidizing behaviour
B. Reducing behaviour
C. Complexing behaviour
D. Photochemical behaviour
2 Series starting from57La,42Hf -80Hg is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
3 Corrosion may be prevented by
A. Allcying
B. Paints
C. Metallic coatings
D. All
4 An oxidixing agent
A. K2Cr2O7
B. H2SO4
C. FeSO4
D. K2SO4
5 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10
6 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
7 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
8 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
9 AgCl is soluble is
A. Aqua regia
B. H2SO4
C. HCl
D. NH3
10 Which of the following elements does not show variable oxidation states?
A. Copper
B. Iron
C. Zinc
D. Titanium

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