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 of the following is a transition element

Question # 2

Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is

Question # 3

In the manufacture of iron from haematitie,limestone is added to act as

Question # 4

Platinum (IV) chloride combines with ammonia to form compounds in which the coordination number of the platinum is 6. A formula unit on one of the compound contains a cation and only two chloride ions. What is the formula of this compound

Question # 5

E.D.T.A is

Question # 6

Which metal is used for catalytic hydrogenation of oils

Question # 7

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

Question # 8

The geometry of [Co(NH3)6]3+is

Question # 9

Sodium thisoulophate is used in photography because of its

Question # 10

Choose the correct answer of transition elements?

Question # 11

Which is in differnet phase form other metals

Question # 12

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

Question # 13

Coordination sphere may be:

Question # 14

Rusting can be avoided by :

Question # 15

Which of the following is not correct about transition metals?

Question # 16

Which has the largest radius?

Question # 17

Which of the following is a not typical transition element

Question # 18

Which of the following acts as ligand

Question # 19

The iron obtained from blast furnace is

Question # 20

The Mn3+has ______ color

Question # 21

Stainless steel contains Cr upto

Question # 22

The total number of transition elements is

Question # 23

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

Question # 24

The number of unpaired electrons in ferrous ion ( Z - 26) is

Question # 25

Elements in which f-orbitals are in the process of completion are called

Question # 26

Corrosion may be prevented by

Question # 27

Group VI-B of transition elements contains:

Question # 28

A transition element is defined as an element of 3d series

Question # 29

[Cu[NH3)4]+2will form ______ structure

Question # 30

The formula of curprite is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which is non typical transition element :
A. Ni
B. Co
C. Y
D. Fe
2 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
3 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
4 f-Block elements are also called
A. Non typical transition elements
B. Outer transition elements
C. Normal transition elements
D. Inner transition elements
5 Bronze is an alloy which contains
A. 60% cu
B. 70% cu
C. 80% cu
D. 99% cu
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 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
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 Most transition elements show
A. Diamagnetic behavior
B. Ferromagnetic behavior
C. Paramagnetic behavior
D. None of these
10 Steel may be manufacture by two processes which two are correct
A. Open hearth process and besemer process
B. Open hearth process and Haber process
C. Bassemer process and Haber process
D. Contact process and Haber process

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