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

Question # 2

Which of the following is a not typical transition element

Question # 3

The colour of transition metal complexes is due to:

Question # 4

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

Question # 5

What is the shape of Fe(CO)5molecule?

Question # 6

What are alloys

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 transition metal ions will have definite value of magnetic moment?

Question # 9

Oxalic acid oxidizes to:

Question # 10

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

Question # 11

Rusting can be avoided by :

Question # 12

f-Block elements are also called

Question # 13

Which of the following is not related to transition metals

Question # 14

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

Question # 15

Which of the following metal exhibits more than one oxidation?

Question # 16

Out of 110 known elements, transition elements are

Question # 17

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

Question # 18

Potassium chromate has formula

Question # 19

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

Question # 20

Which is the correct electronic configuration of Cr - 24

Question # 21

High purity copper metal is obtained by

Question # 22

Electronic configuration of Cu+2is

Question # 23

Stainless steel contains ion and carbon along with

Question # 24

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

Question # 25

What is wrong about transition metals?

Question # 26

Content of carbon in steel is:

Question # 27

Most transition elements show

Question # 28

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

Question # 29

The colour of transition metal complexes is due to

Question # 30

Which of the following is a typical transition metal?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30
2 Transition metals mostly are
A. Diamagnetic
B. Paramagnetic
C. Neither diamagnetic nor paramagnetic
D. Both diamagnetic and paramagnetic
3 In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is
A. 3
B. 2
C. 5
D. Zero
4 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+
5 d-block elements are also called :
A. alkali metal
B. Alkaline earth metals
C. Transition elements
D. Electron deficient elements
6 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
7 d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect
A. They show variable valency
B. Their ions and compounds are coloured
C. They are good conductors of heat and electricity
D. Their compounds are diamagnetic
8 Rusting of iron is catalysed by
A. Fe
B. O2
C. Zn
D. H+
9 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
10 Solubility of KMnO4 at higher temperature is:
A. 5%
B. 7%
C. 15%
D. 25%

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