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

Coordination sphere may be:

Question # 2

The protection of steel by chrome plating is due to

Question # 3

Turnbull's blue is a compound called?

Question # 4

Which of the following is non-typical transition element?

Question # 5

The lanthanides contraction is responsible for the fact that

Question # 6

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 7

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

Question # 8

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

Question # 9

What is wrong about transition metals?

Question # 10

Corrosion of iron can be prevented by coating the surface with

Question # 11

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 12

Potassium chromate has formula

Question # 13

Elements in which f-orbitals are in the process of completion are called

Question # 14

Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is

Question # 15

Interstitial compounds have

Question # 16

An oxidixing agent

Question # 17

Out of 110 known elements, transition elements are

Question # 18

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

Question # 19

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

Question # 20

The colour of transition metal complexes is due to

Question # 21

Which element does not belong to 4d series

Question # 22

Which is not a bidentate ligand

Question # 23

The Mn3+has ______ color

Question # 24

Which of the following is not related to transition metals

Question # 25

Transition metals form complexes due to the participation of partially filled

Question # 26

How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?

Question # 27

Which of the following is obtained when Fe reacts with dil. HNO3?

Question # 28

Which of the following is a typical transition metal

Question # 29

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

Question # 30

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

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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 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
3 Across the lanthanide series, the basicity of the lanthanide hydroxides
A. Increases
B. Decreases
C. First increases and then decreases
D. First decreases and then increases
4 Corrosion may be prevented by
A. Allcying
B. Paints
C. Metallic coatings
D. All
5 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
6 The colour of the transition metal compounds is due to
A. p-d transition
B. d-d transition
C. s-p transition
D. None of these
7 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30
8 Sodium thisoulophate is used in photography because of its
A. Oxidizing behaviour
B. Reducing behaviour
C. Complexing behaviour
D. Photochemical behaviour
9 f-Block elements are also called
A. Non typical transition elements
B. Outer transition elements
C. Normal transition elements
D. Inner transition elements
10 Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements
A. Transition elements show variable oxidation states
B. Their salts are coloured
C. They can be used as catalyst
D. All of them are metals

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