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

Transition metals form complexes due to the participation of partially filled

Question # 2

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

Question # 3

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 4

What is wrong about transition metals?

Question # 5

Rusting can be avoided by :

Question # 6

What are alloys

Question # 7

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

Question # 8

Which of the following compounds gives red precipitate with AgNO3?

Question # 9

Which has the largest radius?

Question # 10

The total number of transition elements is

Question # 11

Out of 110 known elements, transition elements are

Question # 12

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 13

Solubility of KMnO4 at higher temperature is:

Question # 14

Which is used to identify Cu2+ions

Question # 15

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

Question # 16

In the manufacture of iron from haematitie,limestone is added to act as

Question # 17

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

Question # 18

The protection of steel by chrome plating is due to

Question # 19

The total number of transition elements is:

Question # 20

The colour of a transition metal complex is due to d-d transition The colour of the complex is the complementary of the colour absorbed. Thus [Ti(H2O6]3+abosrbs yellow light and transmits blue and red colours therefore the solution of titanium complex appears

Question # 21

Which element has 4 unpaired electrons in 3d-orbital

Question # 22

The total number of d-bock transition element is

Question # 23

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

Question # 24

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

Question # 25

Most common oxidation states shownby cerium are

Question # 26

Potassium chromate has formula

Question # 27

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

Question # 28

AgCl is soluble is

Question # 29

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

Question # 30

The amount of Ni in stainless steel is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The color of Cr3+ion is
A. Violet
B. Blue
C. Pink
D. Green
2 The number of unpaired electrons in Mn2+is
A. 5
B. 4
C. 3
D. 2
3 Which of the following is not related to transition metals
A. They have a high tensile strength
B. They are ductile
C. They are malleable
D. They have low melting points
4 5-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
5 The percentage of carbon in different types of iron products is in the order of
A. Cast iron > wrought iron > steel
B. Wrought iron > steel > cast iron
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron
6 Which element does not belong to 3d transition series
A. Ti
B. V
C. Mn
D. Te
7 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
8 IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are
A. Non typical transition element
B. Typical transition element
C. Normal elements
D. Inner transition element
9 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30
10 Which of the following is a transition element
A. Sr
B. Sn
C. Cr
D. Pb

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