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

In the extraction of iron, slag is produced which is

Question # 2

[Zn(NH3)4]3+possess geometry

Question # 3

The percentage of carbon in different types of iron products is in the order of

Question # 4

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

Question # 5

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

Question # 6

AgCl is soluble is

Question # 7

Rusting can be avoided by :

Question # 8

Which of the following is a non-typical transition elements

Question # 9

Which is in differnet phase form other metals

Question # 10

An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is

Question # 11

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

Question # 12

The Mn3+has ______ color

Question # 13

3-d series elements are present in:

Question # 14

The percentage of carbon in different types of iron products is in the order of:

Question # 15

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

Question # 16

Which of the following is a not typical transition element

Question # 17

Which metal is used for catalytic hydrogenation of oils

Question # 18

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 19

Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?

Question # 20

The less reactivity of transition metal is due to

Question # 21

Series starting from57La,42Hf -80Hg is in the period:

Question # 22

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 # 23

Which of the following metals is sometimes found in native state in nature?

Question # 24

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

Question # 25

Which of the following is not an element?

Question # 26

Corrosion of iron can be prevented by coating the surface with

Question # 27

Which of the following is used as disinfectant

Question # 28

Stainless steel contains ion and carbon along with

Question # 29

Which of the following is a typical transition metal

Question # 30

Corrosion may be prevented by

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following is used as disinfectant
A. K2Cr2O7
B. KMnO4
C. K2MnO4
D. K2CrO4
3 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
4 Steel may be manufacture by two processes which two are correct
A. Open hearth process and besemer process
B. Open hearth process and Haber process
C. Bassemer process and Haber process
D. Contact process and Haber process
5 Coordination number of Pt in [PtCl (NO2) (NH3)4]2-
A. 2-
B. 4
C. 1
D. 6
6 Electronic configuration of Cu+2is
A. 4S2, 3d9
B. 4s-1, 3d10
C. 4S0, 3d9
D. None of these
7 Which of the following element is responsible for oxidation of water to O2in biological process?
A. Fe
B. Mn
C. Cu
D. Mo
8 The colour of transition metal complexes is due to
A. d-d transitions of electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons
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 Transition metals mostly are
A. Diamagnetic
B. Paramagnetic
C. Neither diamagnetic nor paramagnetic
D. Both diamagnetic and paramagnetic

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