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

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 2

In physical and chemical properties, transition elements show

Question # 3

Transition elements are called so because:

Question # 4

3-d series elements are present in:

Question # 5

The Mn3+has ______ color

Question # 6

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

Question # 7

f-block elements are called :

Question # 8

Transition elements form which type of bond

Question # 9

Which of the following is not an element?

Question # 10

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 11

The geometry of [Co(NH3)6]3+is

Question # 12

Transition metals mostly are

Question # 13

6-d series is in the period :

Question # 14

Group VI-B of transition elements contains:

Question # 15

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

Question # 16

Choose the correct answer of transition elements?

Question # 17

The lanthanides contraction is responsible for the fact that

Question # 18

Most transition elements show

Question # 19

Which is the correct electronic configuration of Cr - 24

Question # 20

The total number of transition elements is

Question # 21

The colour of transition metal complexes is due to

Question # 22

Which element does not belong to 3d transition series

Question # 23

German silver does not contain

Question # 24

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

Question # 25

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

Question # 26

What is the name of the comlex [Ni(CO)4]

Question # 27

The colour of the transition metal compounds is due to

Question # 28

The total number of d-bock transition element is

Question # 29

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

Question # 30

Potassium chromate has formula

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 AgCl is soluble is
A. Aqua regia
B. H2SO4
C. HCl
D. NH3
2 Electronic configuration of Cu+2is
A. 4S2, 3d9
B. 4s-1, 3d10
C. 4S0, 3d9
D. None of these
3 What is the name of the comlex [Ni(CO)4]
A. Tetracarbonylnickel (o)
B. Tetracabonylnickel
C. Tetracabonylnickel (II)
D. Tetracabonylnickel (IV)
4 [Ti(H2O)6]+3ion absorbs colour:
A. Blue
B. Yellow
C. Green
D. Red
5 4-d series is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
6 A phtotographic plate is coated with an emulsion of silver nitrate and
A. AgCI
B. AgI
C. AgBr
D. NaNO3
7 The compound which gives oxygen on moderate heating is
A. Zinc oxide
B. Mercuric oxide
C. Aluminium oxide
D. Ferric oxide
8 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6
9 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
10 Which element does not belong to 4d series
A. Y
B. Zr
C. Mo
D. Zn

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