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 obtained when Fe reacts with dil. HNO3?

Question # 2

The formula of curprite is

Question # 3

The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is

Question # 4

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

Question # 5

Cuprous ore among the following is

Question # 6

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

Question # 7

Choose the correct answer of transition elements?

Question # 8

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

Question # 9

The lanthanides contraction is responsible for the fact that

Question # 10

5-d series is in the period :

Question # 11

Which element does not belong to 3d transition series

Question # 12

The total number of rare earth elements is

Question # 13

Misch mental is

Question # 14

Rusting can be avoided by :

Question # 15

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 16

6-d series is in the period :

Question # 17

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

Question # 18

Rusting of iron is catalysed by

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

The compound which gives oxygen on moderate heating is

Question # 23

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

Question # 24

Which element does not belong to 4d series

Question # 25

The number of unpaired electrons in Mn2+is

Question # 26

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

Question # 27

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

Question # 28

Which element has 4 unpaired electrons in 3d-orbital

Question # 29

Which of the following compounds gives red precipitate with AgNO3?

Question # 30

What are alloys

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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 Which is non typical transition element :
A. Ni
B. Co
C. Y
D. Fe
3 Which of the following d-block elements can show the highest oxidation number in its compounds
A. Chromium
B. Copper
C. Nickel
D. Manganese
4 6-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
5 Coordination number of Pt in [PtCl (NO2) (NH3)4]2-
A. 2-
B. 4
C. 1
D. 6
6 An oxidixing agent
A. K2Cr2O7
B. H2SO4
C. FeSO4
D. K2SO4
7 In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is
A. 3
B. 2
C. 5
D. Zero
8 Which of the following elements does not show variable oxidation states?
A. Copper
B. Iron
C. Zinc
D. Titanium
9 AgCl is soluble is
A. Aqua regia
B. H2SO4
C. HCl
D. NH3
10 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal

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