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

Group VIB of transition elements contains

Question # 2

[Zn(NH3)4]3+possess geometry

Question # 3

In the manufacture of iron from haematitie,limestone is added to act as

Question # 4

Corrosion of iron can be prevented by coating the surface with

Question # 5

The total number of rare earth elements is

Question # 6

How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?

Question # 7

d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect

Question # 8

Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate

Question # 9

Bronze is an alloy which contains

Question # 10

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

Question # 11

f-Block elements are also called

Question # 12

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

Question # 13

Which is the correct electronic configuration of Cr - 24

Question # 14

Among the lanthandes the one obtained by synthetic method is

Question # 15

Which element does not belong to 3d transition series

Question # 16

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

Question # 17

Rusting of iron is catalysed by

Question # 18

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

Question # 19

The protection of steel by chrome plating is due to

Question # 20

The iron obtained from blast furnace is

Question # 21

Solubility of KMnO4 at higher temperature is:

Question # 22

Which of the following compounds gives red precipitate with AgNO3?

Question # 23

f-block elements are called :

Question # 24

Which one of the following has highest density

Question # 25

Which is in differnet phase form other metals

Question # 26

The Mn3+has ______ color

Question # 27

Which of the following is non-typical transition element?

Question # 28

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

Question # 29

Which one of the following metal ions is colourless?

Question # 30

Stainless steel contains Cr upto

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Elements in which f-orbitals are in the process of completion are called
A. Outer transition element
B. Inner transition elements
C. Non-tranistion elements
D. Radioactive elements
2 Cu2+with d9electronic configuration appears
A. Yellow
B. Pink
C. Blue
D. Green
3 The number of unpaired electrons in Mn2+is
A. 5
B. 4
C. 3
D. 2
4 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10
5 The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal
A. sp3
B. dsp2
C. dsp3
D. d2sp3
6 The colour of transition metal complexes is due to:
A. d-d transitions of electorns
B. Paramagnetic nature of transition
C. Ionization
D. Loss of s-electrons
7 An oxidixing agent
A. K2Cr2O7
B. H2SO4
C. FeSO4
D. K2SO4
8 The number of unpaired electrons in Fe3+(Z = 26) are
A. 5
B. 6
C. 3
D. 4
9 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30
10 Which of the following is obtained when Fe reacts with dil. HNO3?
A. N2O
B. NO
C. NO2
D. None of these

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