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

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 2

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

Question # 3

Which of the following has the maximum number of unpaired d-electrons?

Question # 4

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

Question # 5

The total number of transition elements is

Question # 6

Bell metal is an alloy of

Question # 7

In physical and chemical properties, transition elements show

Question # 8

Which element belong to 5d series

Question # 9

Which is used to identify Cu2+ions

Question # 10

CuSO4. 5H2O is used to prepare

Question # 11

Transition metals mostly are

Question # 12

Bronze is an alloy of Cu and

Question # 13

Content of carbon in steel is:

Question # 14

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

Question # 15

The iron obtained from blast furnace is

Question # 16

Which element does not belong to 3d transition series

Question # 17

[Ti(H2O)6]+3ion absorbs colour:

Question # 18

Transition elements are called so because:

Question # 19

Which of the following is a typical transition metal?

Question # 20

6-d series is in the period :

Question # 21

Corrosion of iron can be prevented by coating the surface with

Question # 22

Besides Zn and Cu , German silver contains the metal

Question # 23

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 24

The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal

Question # 25

Electronic configuration of Cu+2is

Question # 26

The color of Cr3+ion is

Question # 27

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 28

In the extraction of iron, slag is produced which is

Question # 29

Group VIB of transition elements contains

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which is not a bidentate ligand
A.
2 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b
3 Bronze is an alloy which contains
A. 60% cu
B. 70% cu
C. 80% cu
D. 99% cu
4 In the manufacture of iron from haematitie,limestone is added to act as
A. Flux
B. A reducing agent
C. Slag
D. An oxidizing agent
5 Series starting form 39Y to 48CD is in period:
A. 4th
B. 5th
C. 6th
D. 7th
6 Which of the following is not an element?
A. Graphite
B. Diamond
C. 22-Carat gold
D. Rhombic sulphur
7 The geometry of [Co(NH3)6]3+is
A. Tetrahedral
B. Square planar
C. Octahedral
D. None of these
8 Series starting from57La,42Hf -80Hg is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
9 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
10 The colour of a transition metal complex is due to d-d transition The colour of the complex is the complementary of the colour absorbed. Thus [Ti(H2O6]3+abosrbs yellow light and transmits blue and red colours therefore the solution of titanium complex appears
A. Blue
B. Red
C. Yellow
D. Mixture of blue and red or violet

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