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 total number of d-bock transition element is

Question # 2

Transition elements form which type of bond

Question # 3

In the extraction of iron, slag is produced which is

Question # 4

Which of the following is obtained when Fe reacts with dil. HNO3?

Question # 5

Maximum variable oxidation state is of:

Question # 6

The free spaces between the metal atoms and its crystal lattice are called

Question # 7

Rusting of iron is catalysed by

Question # 8

The compound which gives oxygen on moderate heating is

Question # 9

Most transition elements show

Question # 10

The protection of steel by chrome plating is due to

Question # 11

The Mn3+has ______ color

Question # 12

Potassium chromate has formula

Question # 13

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

Question # 14

f-Block elements are also called

Question # 15

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

Question # 16

Which of the following is used as disinfectant

Question # 17

f-block elements are called :

Question # 18

How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?

Question # 19

Besides Zn and Cu , German silver contains the metal

Question # 20

The colour of transition metal complexes is due to

Question # 21

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

Question # 22

Group VI-B of transition elements contains:

Question # 23

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

Question # 24

The iron obtained from blast furnace is

Question # 25

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

Question # 26

Series starting form 39Y to 48CD is in period:

Question # 27

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

Question # 28

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

Question # 29

Misch mental is

Question # 30

Potassium hexacyanoferrate (II) has the formula

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Transition elements form which type of bond
A. Ionic bonds only
B. Covalent bonds only
C. Ionic and covalent bonds
D. Polar bonds
2 f-Block elements are also called
A. Non typical transition elements
B. Outer transition elements
C. Normal transition elements
D. Inner transition elements
3 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
4 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
5 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
6 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal
7 A phtotographic plate is coated with an emulsion of silver nitrate and
A. AgCI
B. AgI
C. AgBr
D. NaNO3
8 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
9 Which period starts from 11Sc to 30Zn ?
A. First Period
B. Second Period
C. Third Period
D. 4th Period
10 The less reactivity of transition metal is due to
A. High heats of sublimation
B. High ionization energies
C. Low heats of salvation
D. All these

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