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

Rusting of iron is catalysed by

Question # 2

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

Question # 3

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

Question # 4

The total number of transition elements is:

Question # 5

Steel may be manufacture by two processes which two are correct

Question # 6

Among the lanthandes the one obtained by synthetic method is

Question # 7

What are alloys

Question # 8

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

Question # 9

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 10

Which of the following is a non-typical transition elements

Question # 11

German silver does not contain

Question # 12

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 # 13

Which of the following compounds gives red precipitate with AgNO3?

Question # 14

Property of transition element is :

Question # 15

An oxidixing agent

Question # 16

Which is not a bidentate ligand

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

What is wrong about transition metals?

Question # 21

Corrosion of iron can be prevented by coating the surface with

Question # 22

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 23

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

Question # 24

Which of the following metal exhibits more than one oxidation?

Question # 25

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

Question # 26

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

Question # 27

Which of the following transition metal ions will have definite value of magnetic moment?

Question # 28

Turnbull's blue is a compound called?

Question # 29

Elements in which f-orbitals are in the process of completion are called

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 Bell metal is an alloy of Sn and
A. Copper
B. Iron
C. Zinc
D. Magnesium
2 6-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
3 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
4 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30
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 Which one of the following has highest density
A. Zn
B. Os
C. Ni
D. Cu
7 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
8 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
9 Content of carbon in steel is:
A. 0.12 to 0.25%
B. 0.25% to 2.5%
C. 3.0 to 3.5%
D. 4.0 to 4.5%
10 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10

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