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

Rusting can be avoided by :

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

Stainless steel contains Cr upto

Question # 6

IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are

Question # 7

A transition element is defined as an element of 3d series

Question # 8

Which of the following is a typical transition metal?

Question # 9

d-block elements are also called :

Question # 10

Which of the following compounds gives red precipitate with AgNO3?

Question # 11

Property of transition element is :

Question # 12

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

Question # 13

Which has the largest radius?

Question # 14

Cuprous ore among the following is

Question # 15

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

Question # 16

[Zn(NH3)4]3+possess geometry

Question # 17

Group VIB of transition elements contains

Question # 18

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

Question # 19

The number of unpaired electrons in Mn2+is

Question # 20

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

Question # 21

Which of the following is a typical transition metal

Question # 22

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 23

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 24

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

Question # 25

CuSO4. 5H2O is used to prepare

Question # 26

Which alloy contains 50% copper, 25% zinc and 25% nickel

Question # 27

Most transition elements show

Question # 28

Which of the following is non-typical transition element?

Question # 29

The protection of steel by chrome plating is due to

Question # 30

Rusting of iron is catalysed by

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
2 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
3 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
4 The protection of steel by chrome plating is due to
A. Cathodic protection
B. Anodic protection
C. Covering of steel surface
D. Formation of alloy with iron
5 Which of the following element is responsible for oxidation of water to O2in biological process?
A. Fe
B. Mn
C. Cu
D. Mo
6 Which of the following is not correct about transition metals?
A. Their melting and boiling points are high
B. Their compounds are generally coloured
C. They can form ionic or covalent compounds
D. They do not exhibit variable valency
7 The amount of Ni in stainless steel is
A. 3%
B. 4%
C. 5%
D. 8%
8 d-block elements are also called :
A. alkali metal
B. Alkaline earth metals
C. Transition elements
D. Electron deficient elements
9 Which of the following elements does not show variable oxidation states?
A. Copper
B. Iron
C. Zinc
D. Titanium
10 A transition metal complex can be recognized by various terms. Which is not the proper term
A. Central metal ion
B. Coordination number
C. Ligand
D. Geometry of complex

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