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

Bell metal is an alloy of

Question # 2

The amount of Ni in stainless steel is

Question # 3

Which of the following elements does not show variable oxidation states?

Question # 4

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

Question # 5

Corrosion may be prevented by

Question # 6

5-d series is in the period :

Question # 7

Which of the following is a typical transition metal

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

f-block elements are called :

Question # 12

High purity copper metal is obtained by

Question # 13

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

Question # 14

Property of transition element is :

Question # 15

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 16

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

Question # 17

The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is

Question # 18

Which of the following is a carbonate are?

Question # 19

Which element belong to 5d series

Question # 20

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 21

Electronic configuration of Cu+2is

Question # 22

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

Question # 23

Rusting can be avoided by :

Question # 24

The Mn3+has ______ color

Question # 25

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

Question # 26

What are alloys

Question # 27

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

Question # 28

Which of the following acts as ligand

Question # 29

Choose the correct answer of transition elements?

Question # 30

The total number of d-bock transition element is

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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 of iron can be prevented by coating the surface with
A. Zn
B. Sn
C. Ni
D. Any of the above
3 Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?
A. [Pt(NH3)4(NO2)]SO4
B. [PtNO2Cl(NH3)4]SO4
C. [PtCl(NO2)(NH3)4]SO4
D. [Pt(NH3)4(NO2)Cl]SO4
4 Bronze is an alloy of Cu and
A. Zn
B. As
C. Sb
D. Sn
5 Which is non typical transition element :
A. Ni
B. Co
C. Y
D. Fe
6 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
7 Which element does not belong to 4d series
A. Y
B. Zr
C. Mo
D. Zn
8 Turnbull's blue is a compound called?
A. Ferricyanide
B. Ferrous ferricyanide
C. Ferrous cyanide
D. Ferri - Ferro cyanide
9 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
10 Bell metal is an alloy of Sn and
A. Copper
B. Iron
C. Zinc
D. Magnesium

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