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

Which element does not belong to 3d transition series

Question # 2

Which of the following is a typical transition metal

Question # 3

Potassium ferrocyanide is a

Question # 4

The coordination number of iron in [Fe(H2O)6]3+is

Question # 5

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

Question # 6

Most common oxidation states shownby cerium are

Question # 7

German silver does not contain

Question # 8

Stainless steel contains ion and carbon along with

Question # 9

Which of the following acts as ligand

Question # 10

Transition elements are called so because:

Question # 11

Corrosion of iron can be prevented by coating the surface with

Question # 12

Which of the following is a transition element

Question # 13

The number of unpaired electrons in Fe3+(Z = 26) are

Question # 14

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

Question # 15

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 16

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

Question # 17

Cuprous ore among the following is

Question # 18

Which element belong to 5d series

Question # 19

The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is

Question # 20

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 21

[Zn(NH3)4]3+possess geometry

Question # 22

Group VIB of transition elements contains

Question # 23

The Mn3+has ______ color

Question # 24

Which is non typical transition element :

Question # 25

Series starting form 39Y to 48CD is in period:

Question # 26

3-d series elements are present in:

Question # 27

Potassium hexacyanoferrate (II) has the formula

Question # 28

The number of unpaired electrons in ferrous ion ( Z - 26) is

Question # 29

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

Question # 30

Bessemer converter is used in the manufacture of

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following metal exhibits more than one oxidation?
A. Na
B. Mg
C. Fe
D. Al
3 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction
4 Bessemer converter is used in the manufacture of
A. Pig iron
B. Steel
C. Wrought iron
D. Cast iron
5 The iron obtained from blast furnace is
A. Pig iron
B. Wrought ion
C. Soft ion
D. Steel
6 Stainless steel contains ion and carbon along with
A. Ni and Cr
B. Cr and Co
C. Co and Mn
D. Mn and Ni
7 Which of the following acts as ligand
A. NH3
B. NH2-- CH2-- CH2-- NH2
C. C2O2-4
D. All these
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 Bronze is an alloy of Cu and
A. Zn
B. As
C. Sb
D. Sn
10 The geometry of [Co(NH3)6]3+is
A. Tetrahedral
B. Square planar
C. Octahedral
D. None of these

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