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

00:00
Question # 1

The lanthanides contraction is responsible for the fact that

Question # 2

In the extraction of iron, slag is produced which is

Question # 3

Which period starts from 11Sc to 30Zn ?

Question # 4

Which one of the following has highest density

Question # 5

The total number of transition elements is

Question # 6

What is wrong about transition metals?

Question # 7

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

Question # 8

German silver does not contain

Question # 9

Rusting of iron is catalysed by

Question # 10

The colour of transition metal complexes is due to

Question # 11

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

Question # 12

All 3d series elements show variable oxidation states. The one shown by all 3d elements is

Question # 13

The total number of rare earth elements is

Question # 14

Bronze is an alloy which contains

Question # 15

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 16

Stainless steel contains Cr upto

Question # 17

Which has the largest radius?

Question # 18

Group VIB of transition elements contains

Question # 19

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

Question # 20

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

Question # 21

3-d series elements are present in:

Question # 22

4-d series is in the period:

Question # 23

Which is the correct electronic configuration of Cr - 24

Question # 24

Electronic configuration of Cu+2is

Question # 25

The iron obtained from blast furnace is

Question # 26

Bronze is an alloy of Cu and

Question # 27

Rusting can be avoided by :

Question # 28

Misch mental is

Question # 29

Turnbull's blue is a compound called?

Question # 30

The colour of the transition metal compounds is due to

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Stainless steel contains Cr upto
A. 12%
B. 18%
C. 10%
D. 5%
2 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
3 The lanthanides contraction is responsible for the fact that
A. Zr and Y have about the same radius
B. Zr and Nb have similar oxidsation state
C. Zr and Hf have about the same radius
D. Zr and Zn have the same oxidation satete
4 6-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
5 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn
6 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
7 Transition metals form complexes due to the participation of partially filled
A. f-orbitals
B. d-orbitals
C. s-orbitals
D. p-orbitals
8 Property of transition element is :
A. Low m.p and b.p
B. Parramagnetism
C. Oxidation state
D. Low binding energies
9 AgCl is soluble is
A. Aqua regia
B. H2SO4
C. HCl
D. NH3
10 Bronze is an alloy of Cu and
A. Zn
B. As
C. Sb
D. Sn

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