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

What are alloys

Question # 2

The colour of the transition metal compounds is due to

Question # 3

Non-formation of menisus by Hg in presence of O3is due to the formation of

Question # 4

The total number of transition elements is

Question # 5

CuSO4. 5H2O is used to prepare

Question # 6

The number of unpaired electrons in Mn2+is

Question # 7

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

Question # 8

An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is

Question # 9

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

Question # 10

The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal

Question # 11

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

Question # 12

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

Question # 13

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 14

The iron obtained from blast furnace is

Question # 15

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

Question # 16

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

Question # 17

Cuprous ore among the following is

Question # 18

Stainless steel contains ion and carbon along with

Question # 19

German silver does not contain

Question # 20

The amount of Ni in stainless steel is

Question # 21

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 22

In the extraction of iron, slag is produced which is

Question # 23

Most transition elements show

Question # 24

Electronic configuration of Cu+2is

Question # 25

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

Question # 26

Transition elements are called so because:

Question # 27

f-Block elements are also called

Question # 28

Which of the following is a non-typical transition elements

Question # 29

Potassium hexacyanoferrate (II) has the formula

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Interstitial compounds have
A. Half formula
B. Fixed formula
C. Indefinite formula
D. None
2 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
3 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
4 Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?
A. [Pt(NH3)4(NO2)]SO4
B. [PtNO2Cl(NH3)4]SO4
C. [PtCl(NO2)(NH3)4]SO4
D. [Pt(NH3)4(NO2)Cl]SO4
5 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol
6 Choose the correct answer of transition elements?
A. Transition elements have low melting points
B. Transition elements do not have catalytic activity
C. Transition elements exhibit variable oxidation states
D. Transition elements exhibit inert pair effect
7 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+
8 Content of carbon in steel is:
A. 0.12 to 0.25%
B. 0.25% to 2.5%
C. 3.0 to 3.5%
D. 4.0 to 4.5%
9 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
10 [Zn(NH3)4]3+possess geometry
A. Square plannar
B. Hexagonal
C. Tetrahedral
D. None of these

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