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

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

Question # 2

Which is used to identify Cu2+ions

Question # 3

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

Question # 4

Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements

Question # 5

Which has the largest radius?

Question # 6

Which is not a bidentate ligand

Question # 7

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

Question # 8

The protection of steel by chrome plating is due to

Question # 9

Bessemer converter is used in the manufacture of

Question # 10

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 # 11

Potassium ferrocyanide is a

Question # 12

Which of the following acts as ligand

Question # 13

The colour of transition metal complexes is due to:

Question # 14

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

Question # 15

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

Question # 16

Which of the following is a transition element

Question # 17

Series starting form 39Y to 48CD is in period:

Question # 18

Which alloy contains 50% copper, 25% zinc and 25% nickel

Question # 19

Interstitial compounds have

Question # 20

The total number of transition elements is

Question # 21

Choose the correct answer of transition elements?

Question # 22

Which of the following is not correct about transition metals?

Question # 23

The formula of curprite is

Question # 24

Which of the following is used as disinfectant

Question # 25

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

Question # 26

The colour of transition metal complexes is due to

Question # 27

[Co(NH3)6]3+will form ______ structure

Question # 28

Which of the following is a typical transition metal?

Question # 29

Which one of the following metal ions is colourless?

Question # 30

Which metal is used for catalytic hydrogenation of oils

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30
3 Which has the largest radius?
A. CO3+
B. Mn3+
C. Fe3+
D. Cr3+
4 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction
5 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
6 Which is the correct electronic configuration of Cr - 24
A. 1s2, 2s2, 2p6, 3s2, 3p6, 3d4, 4s2
B. 1s2, 2s2, 2p6, 3s2, 3p6, 3d3, 4s2, 4p1
C. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4s1
D. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4p1
7 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
8 Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the
A. Reduction of Cu2+
B. Oxidation of Cu2+
C. Reduction of Fe
D. Reduction of Fe3+
9 Transition elements form which type of bond
A. Ionic bonds only
B. Covalent bonds only
C. Ionic and covalent bonds
D. Polar bonds
10 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV

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