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

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

Question # 2

[Co(NH3)6]3+will form ______ structure

Question # 3

Corrosion may be prevented by

Question # 4

Bessemer converter is used in the manufacture of

Question # 5

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

Question # 6

The colour of the transition metal compounds is due to

Question # 7

The formula of curprite is

Question # 8

Stainless steel contains ion and carbon along with

Question # 9

Which of the following acts as ligand

Question # 10

d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect

Question # 11

German silver does not contain

Question # 12

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

Question # 13

Most common oxidation states shownby cerium are

Question # 14

Interstitial compounds have

Question # 15

Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?

Question # 16

Which of the following is not an element?

Question # 17

Rusting can be avoided by :

Question # 18

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

Question # 19

Coordination number of Pt in [PtCl (NO2) (NH3)4]2-

Question # 20

Which of the following elements does not show variable oxidation states?

Question # 21

The number of unpaired electrons in Fe3+(Z = 26) are

Question # 22

Transition elements are called so because:

Question # 23

High purity copper metal is obtained by

Question # 24

Transition metals mostly are

Question # 25

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

Question # 26

Choose the correct answer of transition elements?

Question # 27

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

Question # 28

Sodium thisoulophate is used in photography because of its

Question # 29

What are alloys

Question # 30

Which of the following is a transition element

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following compounds gives red precipitate with AgNO3?
A. Kl
B. K2CrO4
C. NaBr
D. NaNO3
3 Series starting from57La,42Hf -80Hg is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
4 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
5 The compound which gives oxygen on moderate heating is
A. Zinc oxide
B. Mercuric oxide
C. Aluminium oxide
D. Ferric oxide
6 Interstitial compounds have
A. Half formula
B. Fixed formula
C. Indefinite formula
D. None
7 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
8 In physical and chemical properties, transition elements show
A. Similarities
B. Dissimilarities
C. Both of these
D. Somestimes similarities, sometimes dissimilarities
9 Across the lanthanide series, the basicity of the lanthanide hydroxides
A. Increases
B. Decreases
C. First increases and then decreases
D. First decreases and then increases
10 Non-formation of menisus by Hg in presence of O3is due to the formation of
A. Mercuric oxide
B. Mercurous oxide
C. Mercuric chloride
D. Mercurous chloride

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