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 element does not belong to 3d transition series

Question # 2

The formula of curprite is

Question # 3

The colour of transition metal complexes is due to

Question # 4

Electronic configuration of Cu+2is

Question # 5

The total number of rare earth elements is

Question # 6

Which of the following is not correct about transition metals?

Question # 7

The compound which gives oxygen on moderate heating is

Question # 8

Which of the following is not an element?

Question # 9

Which is in differnet phase form other metals

Question # 10

Which of the following is used as disinfectant

Question # 11

5-d series is in the period :

Question # 12

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 13

Stainless steel contains ion and carbon along with

Question # 14

The Mn3+has ______ color

Question # 15

An oxidixing agent

Question # 16

Corrosion may be prevented by

Question # 17

The amount of Ni in stainless steel is

Question # 18

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

Question # 19

The iron obtained from blast furnace is

Question # 20

Which is used to identify Cu2+ions

Question # 21

Which period starts from 11Sc to 30Zn ?

Question # 22

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

Question # 23

Cuprous ore among the following is

Question # 24

AgCl is soluble is

Question # 25

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

Question # 26

Which has the largest radius?

Question # 27

Sodium thisoulophate is used in photography because of its

Question # 28

E.D.T.A is

Question # 29

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

Question # 30

Transition elements are called so because:

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Among the lanthandes the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd
2 Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is
A. 2-
B. 4
C. 1
D. 6
3 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
4 The colour of transition metal complexes is due to:
A. d-d transitions of electorns
B. Paramagnetic nature of transition
C. Ionization
D. Loss of s-electrons
5 Potassium ferrocyanide is a
A. Mixed salt
B. Double salt
C. Complex salt
D. Normal salt
6 What is the name of the comlex [Ni(CO)4]
A. Tetracarbonylnickel (o)
B. Tetracabonylnickel
C. Tetracabonylnickel (II)
D. Tetracabonylnickel (IV)
7 An oxidixing agent
A. K2Cr2O7
B. H2SO4
C. FeSO4
D. K2SO4
8 The free spaces between the metal atoms and its crystal lattice are called
A. Valance spaces
B. Empty spaces
C. Interstices
D. None
9 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
10 Interstitial compounds have
A. Half formula
B. Fixed formula
C. Indefinite formula
D. None

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