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

5-d series is in the period :

Question # 2

[Zn(NH3)4]3+possess geometry

Question # 3

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

Question # 4

The colour of transition metal complexes is due to

Question # 5

Which of the following is non-typical transition element?

Question # 6

Cu2+with d9electronic configuration appears

Question # 7

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

Question # 8

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

Question # 9

Transition elements form which type of bond

Question # 10

Corrosion of iron can be prevented by coating the surface with

Question # 11

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

Question # 12

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

Question # 13

Content of carbon in steel is:

Question # 14

Interstitial compounds have

Question # 15

The compound which gives oxygen on moderate heating is

Question # 16

Solubility of KMnO4 at higher temperature is:

Question # 17

Which of the following compounds gives red precipitate with AgNO3?

Question # 18

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

Question # 19

Property of transition element is :

Question # 20

An oxidixing agent

Question # 21

Out of 110 known elements, transition elements are

Question # 22

Which of the following is not correct about transition metals?

Question # 23

Which is not a bidentate ligand

Question # 24

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

Question # 25

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

Question # 26

Potassium hexacyanoferrate (II) has the formula

Question # 27

Which period starts from 11Sc to 30Zn ?

Question # 28

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

Question # 29

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

Question # 30

The iron obtained from blast furnace is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following is a carbonate are?
A. Pyrolusite
B. Malchite
C. Diaspore
D. cassiterite
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 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6
4 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b
5 Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is
A. 4
B. 5
C. 6
D. 7
6 Property of transition element is :
A. Low m.p and b.p
B. Parramagnetism
C. Oxidation state
D. Low binding energies
7 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
8 Which of the following element is responsible for oxidation of water to O2in biological process?
A. Fe
B. Mn
C. Cu
D. Mo
9 An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is
A. 24
B. 23
C. 22
D. 21
10 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV

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