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 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 # 2

Content of carbon in steel is:

Question # 3

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

Question # 4

Property of transition element is :

Question # 5

Cuprous ore among the following is

Question # 6

Group VI-B of transition elements contains:

Question # 7

Which element does not belong to 4d series

Question # 8

[Zn(NH3)4]3+possess geometry

Question # 9

Which of the following is a typical transition metal

Question # 10

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

Question # 11

Transition elements are called so because:

Question # 12

Transition elements form which type of bond

Question # 13

Which of the following is not an element?

Question # 14

Which is the correct electronic configuration of Cr - 24

Question # 15

Stainless steel contains Cr upto

Question # 16

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

Question # 17

The total number of d-bock transition element is

Question # 18

Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is

Question # 19

The protection of steel by chrome plating is due to

Question # 20

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

Question # 21

The compound which gives oxygen on moderate heating is

Question # 22

Bessemer converter is used in the manufacture of

Question # 23

Which of the following is a carbonate are?

Question # 24

How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?

Question # 25

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

Question # 26

What is the shape of Fe(CO)5molecule?

Question # 27

The Mn3+has ______ color

Question # 28

6-d series is in the period :

Question # 29

In the extraction of iron, slag is produced which is

Question # 30

What are alloys

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The number of unpaired electrons in Mn2+is
A. 5
B. 4
C. 3
D. 2
2 In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because
A. The 3rd orbital is of lower energy than 4s
B. The 4s orbital is of equal energy to 3d orbital
C. The half filled d-subshell is more stable than incomplete d-sub shell
D. 6 unpaired electrons make Cr more paramagnetic
3 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+
4 Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?
A. [Pt(NH3)4(NO2)]SO4
B. [PtNO2Cl(NH3)4]SO4
C. [PtCl(NO2)(NH3)4]SO4
D. [Pt(NH3)4(NO2)Cl]SO4
5 The geometry of [Co(NH3)6]3+is
A. Tetrahedral
B. Square planar
C. Octahedral
D. None of these
6 Choose the correct answer of transition elements?
A. Transition elements have low melting points
B. Transition elements do not have catalytic activity
C. Transition elements exhibit variable oxidation states
D. Transition elements exhibit inert pair effect
7 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
8 Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate
A. [Pt(NH3)4(NO2)] SO4
B. [Pt NO2CI(NH3)4] SO4
C. [Pt CI(NO2) (NH3)4] SO4
D. [Pt (NH3)4(NO2) CI] SO4
9 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons
10 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre

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