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

Which is the correct electronic configuration of Cr - 24

Question # 2

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

Question # 3

The colour of the transition metal compounds is due to

Question # 4

d-block elements are also called :

Question # 5

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

Question # 6

Transition elements are called so because:

Question # 7

Which of the following is a transition element

Question # 8

The free spaces between the metal atoms and its crystal lattice are called

Question # 9

Which of the following acts as ligand

Question # 10

In the extraction of iron, slag is produced which is

Question # 11

Transition elements form which type of bond

Question # 12

Cuprous ore among the following is

Question # 13

The geometry of [Co(NH3)6]3+is

Question # 14

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

Question # 15

Steel may be manufacture by two processes which two are correct

Question # 16

Sodium thisoulophate is used in photography because of its

Question # 17

The colour of transition metal complexes is due to

Question # 18

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

Question # 19

The compound which gives oxygen on moderate heating is

Question # 20

Stainless steel contains ion and carbon along with

Question # 21

AgCl is soluble is

Question # 22

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

Question # 23

Coordination number of Pt in [PtCl (NO2) (NH3)4]2-

Question # 24

The total number of transition elements is

Question # 25

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

Question # 26

The lanthanides contraction is responsible for the fact that

Question # 27

Content of carbon in steel is:

Question # 28

Coordination sphere may be:

Question # 29

Rusting of iron is catalysed by

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is
A. 24
B. 23
C. 22
D. 21
2 Transition elements form which type of bond
A. Ionic bonds only
B. Covalent bonds only
C. Ionic and covalent bonds
D. Polar bonds
3 All 3d series elements show variable oxidation states. The one shown by all 3d elements is
A. +2
B. +3
C. +4
D. +5
4 Rusting of iron is catalysed by
A. Fe
B. O2
C. Zn
D. H+
5 Most transition elements show
A. Diamagnetic behavior
B. Ferromagnetic behavior
C. Paramagnetic behavior
D. None of these
6 A transition element is defined as an element of 3d series
A. Which is metal
B. Which has one stable ion
C. Which has two stable ions
D. Which has at least one stable ion with incomplete d-orbital
7 A phtotographic plate is coated with an emulsion of silver nitrate and
A. AgCI
B. AgI
C. AgBr
D. NaNO3
8 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
9 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
10 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+

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