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 elements are called so because:

Question # 2

Which is used to identify Cu2+ions

Question # 3

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

Question # 4

Which element does not belong to 3d transition series

Question # 5

The oxidation state of Fe in [Fe(CN)6]3-is

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

In physical and chemical properties, transition elements show

Question # 10

Which one of the following has highest density

Question # 11

Which of the following is non-typical transition element?

Question # 12

The colour of the transition metal compounds is due to

Question # 13

Electronic configuration of Cu+2is

Question # 14

The colour of transition metal complexes is due to

Question # 15

[Zn(NH3)4]3+possess geometry

Question # 16

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

Question # 17

The total number of transition elements is:

Question # 18

Content of carbon in steel is:

Question # 19

E.D.T.A is

Question # 20

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

Question # 21

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

Question # 22

Out of 110 known elements, transition elements are

Question # 23

Which metal is used for catalytic hydrogenation of oils

Question # 24

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

Question # 25

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

Question # 26

Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate

Question # 27

4-d series is in the period:

Question # 28

f-Block elements are also called

Question # 29

Which of the following is a not typical transition element

Question # 30

The colour of transition metal complexes is due to:

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The total number of transition elements is
A. 10
B. 14
C. 40
D. 50
2 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30
3 Which of the following is a carbonate are?
A. Pyrolusite
B. Malchite
C. Diaspore
D. cassiterite
4 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
A. Blue
B. Red
C. Yellow
D. Mixture of blue and red or violet
5 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
6 Most transition elements show
A. Diamagnetic behavior
B. Ferromagnetic behavior
C. Paramagnetic behavior
D. None of these
7 Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is
A. 4
B. 5
C. 6
D. 7
8 [Cu[NH3)4]+2will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyramidal
9 Bell metal is an alloy of Sn and
A. Copper
B. Iron
C. Zinc
D. Magnesium
10 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 rion
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron

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