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 is the correct electronic configuration of Cr - 24

Question # 2

CuSO4. 5H2O is used to prepare

Question # 3

Stainless steel contains Cr upto

Question # 4

Solubility of KMnO4 at higher temperature is:

Question # 5

Which of the following metals is sometimes found in native state in nature?

Question # 6

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

Question # 7

Bessemer converter is used in the manufacture of

Question # 8

The oxidation number of Ni in [Ni(CO)4] is

Question # 9

The number of unpaired electrons in Mn2+is

Question # 10

Which element does not belong to 3d transition series

Question # 11

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

Question # 12

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

Question # 13

Coordination sphere may be:

Question # 14

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 15

The protection of steel by chrome plating is due to

Question # 16

Which of the following is not an element?

Question # 17

What is wrong about transition metals?

Question # 18

Rusting of iron is catalysed by

Question # 19

Misch mental is

Question # 20

The total number of transition elements is:

Question # 21

Oxalic acid oxidizes to:

Question # 22

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

Question # 23

Transition elements are called so because:

Question # 24

Potassium chromate has formula

Question # 25

Stainless steel contains ion and carbon along with

Question # 26

Which of the following is a non-typical transition elements

Question # 27

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

Question # 28

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

Question # 29

Which of the following is not correct about transition metals?

Question # 30

Turnbull's blue is a compound called?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Stainless steel contains Cr upto
A. 12%
B. 18%
C. 10%
D. 5%
2 Which of the following is obtained when Fe reacts with dil. HNO3?
A. N2O
B. NO
C. NO2
D. None of these
3 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
4 Corrosion of iron can be prevented by coating the surface with
A. Zn
B. Sn
C. Ni
D. Any of the above
5 Elements in which f-orbitals are in the process of completion are called
A. Outer transition element
B. Inner transition elements
C. Non-tranistion elements
D. Radioactive elements
6 Besides Zn and Cu , German silver contains the metal
A. Sn
B. Ag
C. Ni
D. Mg
7 An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is
A. 24
B. 23
C. 22
D. 21
8 3-d series elements are present in:
A. First period
B. Second Period
C. Third period
D. 4th period
9 Across the lanthanide series, the basicity of the lanthanide hydroxides
A. Increases
B. Decreases
C. First increases and then decreases
D. First decreases and then increases
10 AgCl is soluble is
A. Aqua regia
B. H2SO4
C. HCl
D. NH3

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