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

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

Question # 2

All 3d series elements show variable oxidation states. The one shown by all 3d elements is

Question # 3

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

Question # 4

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

Question # 5

Coordination sphere may be:

Question # 6

Which of the following is not correct about transition metals?

Question # 7

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 8

Which of the following is not an element?

Question # 9

Stainless steel contains ion and carbon along with

Question # 10

The geometry of [Co(NH3)6]3+is

Question # 11

Rusting can be avoided by :

Question # 12

Which element belong to 5d series

Question # 13

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

Question # 14

The total number of rare earth elements is

Question # 15

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

Question # 16

The total number of transition elements is:

Question # 17

Which metal is used for catalytic hydrogenation of oils

Question # 18

Which of the following is not related to transition metals

Question # 19

f-block elements are called :

Question # 20

High purity copper metal is obtained by

Question # 21

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

Question # 22

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

Question # 23

The colour of transition metal complexes is due to:

Question # 24

Solubility of KMnO4 at higher temperature is:

Question # 25

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

Question # 26

Which of the following is a carbonate are?

Question # 27

Which of the following is used as disinfectant

Question # 28

Stainless steel contains Cr upto

Question # 29

Which of the following is a typical transition metal

Question # 30

Which element does not belong to 4d series

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn
2 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
3 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction
4 Potassium hexacyanoferrate (II) has the formula
A. K4[Fe(CN)6]
B. K3[Fe(CN)6]
C. K2[Fe(CN)6]
D. K [Fe(CN)6]
5 What are alloys
A. A homogenous mixture of two or more elements
B. A homohenous mixture of metal and a non-metal
C. A homogenous mixture of two or more metals
D. None of the above
6 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
7 The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal
A. sp3
B. dsp2
C. dsp3
D. d2sp3
8 Which alloy contains 50% copper, 25% zinc and 25% nickel
A. German silver
B. Gun metal
C. Bell metal
D. Brass
9 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
10 Cu2+with d9electronic configuration appears
A. Yellow
B. Pink
C. Blue
D. Green

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