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 total number of rare earth elements is

Question # 2

Among the lanthandes the one obtained by synthetic method is

Question # 3

6-d series is in the period :

Question # 4

d-block elements are also called :

Question # 5

[Ti(H2O)6]+3ion absorbs colour:

Question # 6

The formula of curprite is

Question # 7

Misch mental is

Question # 8

The colour of the transition metal compounds is due to

Question # 9

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

Question # 10

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

Question # 11

Bell metal is an alloy of

Question # 12

Which of the following is used as disinfectant

Question # 13

The Mn3+has ______ color

Question # 14

Which is the correct electronic configuration of Cr - 24

Question # 15

Which of the following compounds gives red precipitate with AgNO3?

Question # 16

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Question # 17

The iron obtained from blast furnace is

Question # 18

Which has the largest radius?

Question # 19

Which of the following is a typical transition metal

Question # 20

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

Question # 21

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

Question # 22

The less reactivity of transition metal is due to

Question # 23

Interstitial compounds have

Question # 24

German silver does not contain

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

Which of the following is not correct about transition metals?

Question # 29

Which of the following acts as ligand

Question # 30

Which of the following is a transition element

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Sr. # Question Answer
1 Which of the following is a typical transition metal?

A. Sc

B. Y

C.Ra

D. Co

2 Which metal is used for catalytic hydrogenation of oils

A. Cu

B. Pt

C.Ni

D. Pd

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

A. 2

B. 3

C.4

D. 6

4 Platinum (IV) chloride combines with ammonia to form compounds in which the coordination number of the platinum is 6. A formula unit on one of the compound contains a cation and only two chloride ions. What is the formula of this compound

A. Pt(NH3)6CI4

B. Pt(NH3)5CI4

C.Pt(NH3)4CI4

D. Pt(NH3)3CI4

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

A. Fe

B. Mn

C.Cu

D. Mo

6 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

7 In physical and chemical properties, transition elements show

A. Similarities

B. Dissimilarities

C.Both of these

D. Somestimes similarities, sometimes dissimilarities

8 Rusting of iron is catalysed by

A. Fe

B. O2

C.Zn

D. H+

9 [Zn(NH3)4]3+possess geometry

A. Square plannar

B. Hexagonal

C.Tetrahedral

D. None of these

10 Misch mental is

A. An alloy of Aluminium

B. A mixture of chromium and lead chromate

C.An alloy of lanthanoid metals

D. An alloy of copper

11 [Cu[NH3)4]+2will form ______ structure

A. Square planar

B. Tetrahedral

C.Octahedral

D. Trigonal bipyramidal

12 The colour of transition metal complexes is due to:

A. d-d transitions of electorns

B. Paramagnetic nature of transition

C.Ionization

D. Loss of s-electrons

13 Rusting can be avoided by :

A. Making alloys

B. Tin or Zinc plating

C.Use of enamel

D. All of these

14 Which is not a bidentate ligand

A.

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

A. Tetracarbonylnickel (o)

B. Tetracabonylnickel

C.Tetracabonylnickel (II)

D. Tetracabonylnickel (IV)

16 Which period starts from 11Sc to 30Zn ?

A. First Period

B. Second Period

C.Third Period

D. 4th Period

17 Which of the following has the maximum number of unpaired d-electrons?

A. Zn

B. Fe2+

C.Ni3+

D. Cu+

18 Out of 110 known elements, transition elements are

A. 40

B. 60

C.50

D. 80

19 Which of the following is a not typical transition element

A. Cr

B. Mn

C.Zn

D. Fe

20 AgCl is soluble is

A. Aqua regia

B. H2SO4

C.HCl

D. NH3

21 The protection of steel by chrome plating is due to

A. Cathodic protection

B. Anodic protection

C.Covering of steel surface

D. Formation of alloy with iron

22 Corrosion of iron can be prevented by coating the surface with

A. Zn

B. Sn

C.Ni

D. Any of the above

23 3-d series elements are present in:

A. First period

B. Second Period

C.Third period

D. 4th period

24 Which is non typical transition element :

A. Ni

B. Co

C.Y

D. Fe

25 Which element does not belong to 4d series

A. Y

B. Zr

C.Mo

D. Zn

26 Titanium is used as a catalyst in

A. Hydrogenation

B. Dehydrogenation

C.Polymerization of P.E.

D. Oxidation of ammonia

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

A. 4th

B. 5th

C.6th

D. 7th

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

A. 2-

B. 4

C.1

D. 6

29 f-block elements are called :

A. Alkali metal

B. Alkakline earth metals

C.Transition elements

D. Electron deficient elements

30 Which of the following is not an element?

A. Graphite

B. Diamond

C.22-Carat gold

D. Rhombic sulphur

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