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 the transition metal compounds is due to

Question # 2

Interstitial compounds have

Question # 3

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

Question # 4

6-d series is in the period :

Question # 5

Transition elements are called so because:

Question # 6

The total number of d-bock transition element is

Question # 7

Rusting can be avoided by :

Question # 8

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

Question # 9

In the manufacture of iron from haematitie,limestone is added to act as

Question # 10

Potassium ferrocyanide is a

Question # 11

Among the lanthandes the one obtained by synthetic method is

Question # 12

Cu2+with d9electronic configuration appears

Question # 13

Oxalic acid oxidizes to:

Question # 14

Titanium is used as a catalyst in

Question # 15

Which is the correct electronic configuration of Cr - 24

Question # 16

f-Block elements are also called

Question # 17

Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the

Question # 18

Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements

Question # 19

Which of the following is a typical transition metal?

Question # 20

Which of the following d-block elements can show the highest oxidation number in its compounds

Question # 21

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

Question # 22

Which of the following metal exhibits more than one oxidation?

Question # 23

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 # 24

The protection of steel by chrome plating is due to

Question # 25

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

Question # 26

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 27

Property of transition element is :

Question # 28

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

Question # 29

A phtotographic plate is coated with an emulsion of silver nitrate and

Question # 30

Stainless steel contains Cr upto

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following is obtained when Fe reacts with dil. HNO3?
A. N2O
B. NO
C. NO2
D. None of these
2 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
3 Transition elements are called so because:
A. Form interstital sompounds
B. have high m.p
C. In between 's' and' 'p' block elements
D. All of these
4 Elements in which f-orbitals are in the process of completion are called
A. Outer transition element
B. Inner transition elements
C. Non-tranistion elements
D. Radioactive elements
5 Which period starts from 11Sc to 30Zn ?
A. First Period
B. Second Period
C. Third Period
D. 4th Period
6 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
7 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
8 Which of the following is used as disinfectant
A. K2Cr2O7
B. KMnO4
C. K2MnO4
D. K2CrO4
9 Bessemer converter is used in the manufacture of
A. Pig iron
B. Steel
C. Wrought iron
D. Cast iron
10 Turnbull's blue is a compound called?
A. Ferricyanide
B. Ferrous ferricyanide
C. Ferrous cyanide
D. Ferri - Ferro cyanide

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