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

00:00
Question # 1

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

Question # 2

Rusting of iron is catalysed by

Question # 3

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

Question # 4

Which of the following acts as ligand

Question # 5

Bell metal is an alloy of Sn and

Question # 6

In physical and chemical properties, transition elements show

Question # 7

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

Question # 8

Group VI-B of transition elements contains:

Question # 9

Misch mental is

Question # 10

Stainless steel contains ion and carbon along with

Question # 11

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

Question # 12

Which of the following compounds gives red precipitate with AgNO3?

Question # 13

Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate

Question # 14

Which is the correct electronic configuration of Cr - 24

Question # 15

Which has the largest radius?

Question # 16

High purity copper metal is obtained by

Question # 17

Corrosion may be prevented by

Question # 18

Which of the following is not correct about transition metals?

Question # 19

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 20

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

Question # 21

Which of the following metal exhibits more than one oxidation?

Question # 22

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 23

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

Question # 24

Most transition elements show

Question # 25

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

Question # 26

The amount of Ni in stainless steel is

Question # 27

The colour of the transition metal compounds is due to

Question # 28

Which is not a bidentate ligand

Question # 29

The number of unpaired electrons in Mn2+is

Question # 30

The compound which gives oxygen on moderate heating is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
2 Choose the correct answer of transition elements?
A. Transition elements have low melting points
B. Transition elements do not have catalytic activity
C. Transition elements exhibit variable oxidation states
D. Transition elements exhibit inert pair effect
3 Out of 110 known elements, transition elements are
A. 40
B. 60
C. 50
D. 80
4 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
5 An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is
A. 24
B. 23
C. 22
D. 21
6 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal
7 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
8 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
9 The compound which gives oxygen on moderate heating is
A. Zinc oxide
B. Mercuric oxide
C. Aluminium oxide
D. Ferric oxide
10 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction

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