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 has 4 unpaired electrons in 3d-orbital

Question # 2

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

Question # 3

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

Question # 4

Besides Zn and Cu , German silver contains the metal

Question # 5

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

Question # 6

4-d series is in the period:

Question # 7

The total number of transition elements is

Question # 8

Which is used to identify Cu2+ions

Question # 9

Rusting can be avoided by :

Question # 10

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

Question # 11

Which is in differnet phase form other metals

Question # 12

Steel may be manufacture by two processes which two are correct

Question # 13

Corrosion may be prevented by

Question # 14

The oxidation state of Fe in [Fe(CN)6]3-is

Question # 15

An oxidixing agent

Question # 16

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

Question # 17

The total number of inner transition elements in the periodic table is

Question # 18

Among the lanthandes the one obtained by synthetic method is

Question # 19

Which of the following is a non-typical transition elements

Question # 20

Which of the following is not related to transition metals

Question # 21

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

Question # 22

Which element does not belong to 3d transition series

Question # 23

Group VIB of transition elements contains

Question # 24

Which of the following metal exhibits more than one oxidation?

Question # 25

f-block elements are called :

Question # 26

Rusting of iron is catalysed by

Question # 27

Oxalic acid oxidizes to:

Question # 28

Which of the following is a not typical transition element

Question # 29

Content of carbon in steel is:

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following is a transition element
A. Sr
B. Sn
C. Cr
D. Pb
2 Transition metals mostly are
A. Diamagnetic
B. Paramagnetic
C. Neither diamagnetic nor paramagnetic
D. Both diamagnetic and paramagnetic
3 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10
4 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30
5 The Mn3+has ______ color
A. Violet
B. Green
C. Red/brown
D. No color
6 Which of the following is obtained when Fe reacts with dil. HNO3?
A. N2O
B. NO
C. NO2
D. None of these
7 Property of transition element is :
A. Low m.p and b.p
B. Parramagnetism
C. Oxidation state
D. Low binding energies
8 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
9 Transition metals form complexes due to the participation of partially filled
A. f-orbitals
B. d-orbitals
C. s-orbitals
D. p-orbitals
10 Which of the following is not related to transition metals
A. They have a high tensile strength
B. They are ductile
C. They are malleable
D. They have low melting points

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