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

Which element does not belong to 4d series

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

Which of the following is a typical transition metal

Question # 6

Content of carbon in steel is:

Question # 7

The colour of a transition metal complex is due to d-d transition The colour of the complex is the complementary of the colour absorbed. Thus [Ti(H2O6]3+abosrbs yellow light and transmits blue and red colours therefore the solution of titanium complex appears

Question # 8

Which of the following is not an element?

Question # 9

Bronze is an alloy of Cu and

Question # 10

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

Question # 11

Oxalic acid oxidizes to:

Question # 12

The amount of Ni in stainless steel is

Question # 13

Series starting from57La,42Hf -80Hg is in the period:

Question # 14

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

Question # 15

The total number of transition elements is

Question # 16

The color of Cr3+ion is

Question # 17

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

Question # 18

The colour of the transition metal compounds is due to

Question # 19

Which of the following is a not typical transition element

Question # 20

Which period starts from 11Sc to 30Zn ?

Question # 21

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

Question # 22

Corrosion of iron can be prevented by coating the surface with

Question # 23

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

Question # 24

Which is used to identify Cu2+ions

Question # 25

Most common oxidation states shownby cerium are

Question # 26

What are alloys

Question # 27

Which of the following is non-typical transition element?

Question # 28

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 29

Which element does not belong to 3d transition series

Question # 30

The percentage of carbon in different types of iron products is in the order of:

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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 element belong to 5d series
A. V
B. Nb
C. Pd
D. Hf
3 Which of the following is a non-typical transition elements
A. Cr
B. Mn
C. Zn
D. Fe
4 Bessemer converter is used in the manufacture of
A. Pig iron
B. Steel
C. Wrought iron
D. Cast iron
5 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
6 Which of the following d-block elements can show the highest oxidation number in its compounds
A. Chromium
B. Copper
C. Nickel
D. Manganese
7 The iron obtained from blast furnace is
A. Pig iron
B. Wrought ion
C. Soft ion
D. Steel
8 Which of the following element is responsible for oxidation of water to O2in biological process?
A. Fe
B. Mn
C. Cu
D. Mo
9 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
10 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol

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