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 number of unpaired electrons in Mn2+is

Question # 2

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

Question # 3

Which is in differnet phase form other metals

Question # 4

3-d series elements are present in:

Question # 5

Which has the largest radius?

Question # 6

The iron obtained from blast furnace is

Question # 7

The free spaces between the metal atoms and its crystal lattice are called

Question # 8

Most common oxidation states shownby cerium are

Question # 9

Which of the following d-block elements can show the highest oxidation number in its compounds

Question # 10

Titanium is used as a catalyst in

Question # 11

Stainless steel contains ion and carbon along with

Question # 12

Which is not a bidentate ligand

Question # 13

Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the

Question # 14

Bessemer converter is used in the manufacture of

Question # 15

f-Block elements are also called

Question # 16

Sodium thisoulophate is used in photography because of its

Question # 17

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

Question # 18

Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is

Question # 19

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 20

Cuprous ore among the following is

Question # 21

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 # 22

The formula of curprite is

Question # 23

Misch mental is

Question # 24

Which of the following is not correct about transition metals?

Question # 25

Which element has 4 unpaired electrons in 3d-orbital

Question # 26

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

Question # 27

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

Question # 28

In physical and chemical properties, transition elements show

Question # 29

The Mn3+has ______ color

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The formula of curprite is
A. Cu2S
B. Cus
C. Cu2O
D. CuCO3
2 Stainless steel contains ion and carbon along with
A. Ni and Cr
B. Cr and Co
C. Co and Mn
D. Mn and Ni
3 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons
4 Which of the following element is responsible for oxidation of water to O2in biological process?
A. Fe
B. Mn
C. Cu
D. Mo
5 Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is
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 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
8 Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the
A. Reduction of Cu2+
B. Oxidation of Cu2+
C. Reduction of Fe
D. Reduction of Fe3+
9 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction
10 3-d series elements are present in:
A. First period
B. Second Period
C. Third period
D. 4th period

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