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

The color of Cr3+ion is

Question # 2

[Zn(NH3)4]3+possess geometry

Question # 3

d-block elements are also called :

Question # 4

Group VI-B of transition elements contains:

Question # 5

Which is not a bidentate ligand

Question # 6

The protection of steel by chrome plating is due to

Question # 7

The formula of curprite is

Question # 8

Potassium hexacyanoferrate (II) has the formula

Question # 9

Which is non typical transition element :

Question # 10

Which one of the following has highest density

Question # 11

German silver does not contain

Question # 12

Which element does not belong to 3d transition series

Question # 13

Titanium is used as a catalyst in

Question # 14

Which of the following is not related to transition metals

Question # 15

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

Question # 16

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

Question # 17

The amount of Ni in stainless steel is

Question # 18

The colour of transition metal complexes is due to

Question # 19

Bronze is an alloy which contains

Question # 20

The lanthanides contraction is responsible for the fact that

Question # 21

Which is the correct electronic configuration of Cr - 24

Question # 22

Transition elements are called so because:

Question # 23

What is the shape of Fe(CO)5molecule?

Question # 24

Corrosion may be prevented by

Question # 25

Stainless steel contains Cr upto

Question # 26

The total number of rare earth elements is

Question # 27

Content of carbon in steel is:

Question # 28

[Ti(H2O)6]+3ion absorbs colour:

Question # 29

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Question # 30

Which of the following is a carbonate are?

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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 Sodium thisoulophate is used in photography because of its
A. Oxidizing behaviour
B. Reducing behaviour
C. Complexing behaviour
D. Photochemical behaviour
3 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
4 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
5 In the manufacture of iron from haematitie,limestone is added to act as
A. Flux
B. A reducing agent
C. Slag
D. An oxidizing agent
6 Which element does not belong to 3d transition series
A. Ti
B. V
C. Mn
D. Te
7 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal
8 [Zn(NH3)4]3+possess geometry
A. Square plannar
B. Hexagonal
C. Tetrahedral
D. None of these
9 The amount of Ni in stainless steel is
A. 3%
B. 4%
C. 5%
D. 8%
10 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction

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