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 one of the following has highest density

Question # 2

Choose the correct answer of transition elements?

Question # 3

Which of the following is not related to transition metals

Question # 4

Which of the following metal exhibits more than one oxidation?

Question # 5

What is the name of the comlex [Ni(CO)4]

Question # 6

Which of the following transition metal ions will have definite value of magnetic moment?

Question # 7

The percentage of carbon in different types of iron products is in the order of

Question # 8

The colour of the transition metal compounds is due to

Question # 9

High purity copper metal is obtained by

Question # 10

Oxalic acid oxidizes to:

Question # 11

Cuprous ore among the following is

Question # 12

In physical and chemical properties, transition elements show

Question # 13

Which element does not belong to 4d series

Question # 14

Non-formation of menisus by Hg in presence of O3is due to the formation of

Question # 15

Property of transition element is :

Question # 16

The total number of transition elements is:

Question # 17

Bronze is an alloy which contains

Question # 18

Corrosion may be prevented by

Question # 19

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

Question # 20

The colour of transition metal complexes is due to

Question # 21

Which element has 4 unpaired electrons in 3d-orbital

Question # 22

[Zn(NH3)4]3+possess geometry

Question # 23

The Mn3+has ______ color

Question # 24

Which of the following acts as ligand

Question # 25

Which of the following is not an element?

Question # 26

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 27

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

Question # 28

The amount of Ni in stainless steel is

Question # 29

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

Question # 30

The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which period starts from 11Sc to 30Zn ?
A. First Period
B. Second Period
C. Third Period
D. 4th Period
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 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
4 Property of transition element is :
A. Low m.p and b.p
B. Parramagnetism
C. Oxidation state
D. Low binding energies
5 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
6 Potassium ferrocyanide is a
A. Mixed salt
B. Double salt
C. Complex salt
D. Normal salt
7 The colour of transition metal complexes is due to
A. d-d transitions of electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons
8 The lanthanides contraction is responsible for the fact that
A. Zr and Y have about the same radius
B. Zr and Nb have similar oxidsation state
C. Zr and Hf have about the same radius
D. Zr and Zn have the same oxidation satete
9 Which of the following is a transition element
A. Sr
B. Sn
C. Cr
D. Pb
10 Which of the following acts as ligand
A. NH3
B. NH2-- CH2-- CH2-- NH2
C. C2O2-4
D. All these

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