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

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 # 2

The color of Cr3+ion is

Question # 3

The colour of transition metal complexes is due to:

Question # 4

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

Question # 5

What are alloys

Question # 6

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

Question # 7

Transition elements are called so because:

Question # 8

Titanium is used as a catalyst in

Question # 9

Transition metals form complexes due to the participation of partially filled

Question # 10

The amount of Ni in stainless steel is

Question # 11

Rusting can be avoided by :

Question # 12

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Question # 13

Bronze is an alloy of Cu and

Question # 14

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

Question # 15

The total number of transition elements is:

Question # 16

Which of the following is not related to transition metals

Question # 17

f-Block elements are also called

Question # 18

Potassium ferrocyanide is a

Question # 19

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

Question # 20

Which of the following is a typical transition metal?

Question # 21

Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?

Question # 22

The lanthanides contraction is responsible for the fact that

Question # 23

Turnbull's blue is a compound called?

Question # 24

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

Question # 25

The less reactivity of transition metal is due to

Question # 26

The total number of d-bock transition element is

Question # 27

The colour of transition metal complexes is due to

Question # 28

Bell metal is an alloy of Sn and

Question # 29

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

Question # 30

Which of the following is a non-typical transition elements

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 What are alloys
A. A homogenous mixture of two or more elements
B. A homohenous mixture of metal and a non-metal
C. A homogenous mixture of two or more metals
D. None of the above
2 The free spaces between the metal atoms and its crystal lattice are called
A. Valance spaces
B. Empty spaces
C. Interstices
D. None
3 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
4 [Zn(NH3)4]3+possess geometry
A. Square plannar
B. Hexagonal
C. Tetrahedral
D. None of these
5 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
6 Which is non typical transition element :
A. Ni
B. Co
C. Y
D. Fe
7 The less reactivity of transition metal is due to
A. High heats of sublimation
B. High ionization energies
C. Low heats of salvation
D. All these
8 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
9 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
10 The color of Cr3+ion is
A. Violet
B. Blue
C. Pink
D. Green

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