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

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

Question # 2

Which element has 4 unpaired electrons in 3d-orbital

Question # 3

Which of the following has the maximum number of unpaired d-electrons?

Question # 4

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

Question # 5

Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is

Question # 6

4-d series is in the period:

Question # 7

[Co(NH3)6]3+will form ______ structure

Question # 8

German silver does not contain

Question # 9

5-d series is in the period :

Question # 10

[Cu[NH3)4]+2will form ______ structure

Question # 11

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 12

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

Question # 13

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 # 14

Most common oxidation states shownby cerium are

Question # 15

Titanium is used as a catalyst in

Question # 16

Property of transition element is :

Question # 17

Transition elements are called so because:

Question # 18

Series starting form 39Y to 48CD is in period:

Question # 19

Corrosion of iron can be prevented by coating the surface with

Question # 20

The total number of transition elements is:

Question # 21

The compound which gives oxygen on moderate heating is

Question # 22

Turnbull's blue is a compound called?

Question # 23

The Mn3+has ______ color

Question # 24

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

Question # 25

The lanthanides contraction is responsible for the fact that

Question # 26

Bronze is an alloy which contains

Question # 27

Rusting of iron is catalysed by

Question # 28

Maximum variable oxidation state is of:

Question # 29

Which is the correct electronic configuration of Cr - 24

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
2 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
3 Which of the following d-block elements can show the highest oxidation number in its compounds
A. Chromium
B. Copper
C. Nickel
D. Manganese
4 Potassium hexacyanoferrate (II) has the formula
A. K4[Fe(CN)6]
B. K3[Fe(CN)6]
C. K2[Fe(CN)6]
D. K [Fe(CN)6]
5 Which of the following compounds gives red precipitate with AgNO3?
A. Kl
B. K2CrO4
C. NaBr
D. NaNO3
6 The total number of transition elements is
A. 10
B. 14
C. 40
D. 50
7 A phtotographic plate is coated with an emulsion of silver nitrate and
A. AgCI
B. AgI
C. AgBr
D. NaNO3
8 Transition elements form which type of bond
A. Ionic bonds only
B. Covalent bonds only
C. Ionic and covalent bonds
D. Polar bonds
9 Misch mental is
A. An alloy of Aluminium
B. A mixture of chromium and lead chromate
C. An alloy of lanthanoid metals
D. An alloy of copper
10 The free spaces between the metal atoms and its crystal lattice are called
A. Valance spaces
B. Empty spaces
C. Interstices
D. None

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