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

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

Question # 2

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 3

The oxidation number of Ni in [Ni(CO)4] is

Question # 4

AgCl is soluble is

Question # 5

Corrosion may be prevented by

Question # 6

Transition metals form complexes due to the participation of partially filled

Question # 7

d-block elements are also called :

Question # 8

Which element does not belong to 3d transition series

Question # 9

Interstitial compounds have

Question # 10

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

Question # 11

Which one of the following has highest density

Question # 12

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

Question # 13

Which has the largest radius?

Question # 14

Electronic configuration of Cu+2is

Question # 15

Which metal is used for catalytic hydrogenation of oils

Question # 16

Which of the following is obtained when Fe reacts with dil. HNO3?

Question # 17

Which element does not belong to 4d series

Question # 18

Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is

Question # 19

Titanium is used as a catalyst in

Question # 20

Which element has 4 unpaired electrons in 3d-orbital

Question # 21

Which of the following is a non-typical transition elements

Question # 22

Potassium ferrocyanide is a

Question # 23

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

Question # 24

The number of unpaired electrons in Mn2+is

Question # 25

The Mn3+has ______ color

Question # 26

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

Question # 27

Corrosion of iron can be prevented by coating the surface with

Question # 28

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

Question # 29

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 30

What is the shape of Fe(CO)5molecule?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 Corrosion may be prevented by
A. Allcying
B. Paints
C. Metallic coatings
D. All
3 Transition elements form which type of bond
A. Ionic bonds only
B. Covalent bonds only
C. Ionic and covalent bonds
D. Polar bonds
4 Turnbull's blue is a compound called?
A. Ferricyanide
B. Ferrous ferricyanide
C. Ferrous cyanide
D. Ferri - Ferro cyanide
5 The total number of transition elements is
A. 10
B. 14
C. 40
D. 50
6 Oxalic acid oxidizes to:
A. CO
B. CO2
C. Oxalates
D. None of these
7 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
8 The number of unpaired electrons in Mn2+is
A. 5
B. 4
C. 3
D. 2
9 How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?
A. 10
B. 5
C. 6
D. 2
10 [Zn(NH3)4]3+possess geometry
A. Square plannar
B. Hexagonal
C. Tetrahedral
D. None of these

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