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

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

Question # 2

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 3

The lanthanides contraction is responsible for the fact that

Question # 4

What is wrong about transition metals?

Question # 5

Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is

Question # 6

Which of the following transition metal ions will have definite value of magnetic moment?

Question # 7

Which of the following is a transition element

Question # 8

Which metal is used for catalytic hydrogenation of oils

Question # 9

Which of the following is a typical transition metal

Question # 10

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 11

Property of transition element is :

Question # 12

IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are

Question # 13

Bronze is an alloy which contains

Question # 14

f-block elements are called :

Question # 15

Potassium hexacyanoferrate (II) has the formula

Question # 16

The coordination number of iron in [Fe(H2O)6]3+is

Question # 17

Which element has 4 unpaired electrons in 3d-orbital

Question # 18

Which of the following is not correct about transition metals?

Question # 19

The number of unpaired electrons in Fe3+(Z = 26) are

Question # 20

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

Question # 21

Cuprous ore among the following is

Question # 22

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

Question # 23

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

Question # 24

Turnbull's blue is a compound called?

Question # 25

All 3d series elements show variable oxidation states. The one shown by all 3d elements is

Question # 26

The total number of d-bock transition element is

Question # 27

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

Question # 28

The total number of transition elements is

Question # 29

Misch mental is

Question # 30

Which is the correct electronic configuration of Cr - 24

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Non-formation of menisus by Hg in presence of O3is due to the formation of
A. Mercuric oxide
B. Mercurous oxide
C. Mercuric chloride
D. Mercurous chloride
2 Bronze is an alloy of Cu and
A. Zn
B. As
C. Sb
D. Sn
3 An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is
A. 24
B. 23
C. 22
D. 21
4 d-block elements are also called :
A. alkali metal
B. Alkaline earth metals
C. Transition elements
D. Electron deficient elements
5 5-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
6 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
7 Which period starts from 11Sc to 30Zn ?
A. First Period
B. Second Period
C. Third Period
D. 4th Period
8 In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is
A. 3
B. 2
C. 5
D. Zero
9 Which is not a bidentate ligand
A.
10 The lanthanides contraction is responsible for the fact that
A. Zr and Y have about the same radius
B. Zr and Nb have similar oxidsation state
C. Zr and Hf have about the same radius
D. Zr and Zn have the same oxidation satete

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