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

Corrosion may be prevented by

Question # 2

Transition metals mostly are

Question # 3

Titanium is used as a catalyst in

Question # 4

Which of the following metals is sometimes found in native state in nature?

Question # 5

The total number of d-bock transition element is

Question # 6

Which element does not belong to 4d series

Question # 7

Which of the following acts as ligand

Question # 8

Which of the following is not related to transition metals

Question # 9

The protection of steel by chrome plating is due to

Question # 10

What is wrong about transition metals?

Question # 11

Most transition elements show

Question # 12

The colour of transition metal complexes is due to

Question # 13

Bessemer converter is used in the manufacture of

Question # 14

Bronze is an alloy which contains

Question # 15

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

Question # 16

Platinum (IV) chloride combines with ammonia to form compounds in which the coordination number of the platinum is 6. A formula unit on one of the compound contains a cation and only two chloride ions. What is the formula of this compound

Question # 17

Potassium hexacyanoferrate (II) has the formula

Question # 18

Which of the following d-block elements can show the highest oxidation number in its compounds

Question # 19

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

Question # 20

Rusting of iron is catalysed by

Question # 21

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

Question # 22

The oxidation state of Fe in [Fe(CN)6]3-is

Question # 23

The elements in which d or f-orbitals are incomplete are called

Question # 24

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

Question # 25

AgCl is soluble is

Question # 26

Rusting can be avoided by :

Question # 27

Bell metal is an alloy of

Question # 28

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

Question # 29

Which of the following is a carbonate are?

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The colour of transition metal complexes is due to
A. d-d transitions of electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons
2 Which is in differnet phase form other metals
A. Ni
B. Hg
C. Cd
D. Na
3 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol
4 Which of the following is a typical transition metal?
A. Sc
B. Y
C. Ra
D. Co
5 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
6 [Ti(H2O)6]+3ion absorbs colour:
A. Blue
B. Yellow
C. Green
D. Red
7 Which of the following is non-typical transition element?
A. Cr
B. Mn
C. Zn
D. Fe
8 What is wrong about transition metals?
A. Diamagnetic
B. Paramagnetic
C. Form complexes
D. Shows variable oxidation state
9 Content of carbon in steel is:
A. 0.12 to 0.25%
B. 0.25% to 2.5%
C. 3.0 to 3.5%
D. 4.0 to 4.5%
10 [Zn(NH3)4]3+possess geometry
A. Square plannar
B. Hexagonal
C. Tetrahedral
D. None of these

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