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

Property of transition element is :

Question # 2

Which is used to identify Cu2+ions

Question # 3

The free spaces between the metal atoms and its crystal lattice are called

Question # 4

The compound which gives oxygen on moderate heating is

Question # 5

German silver does not contain

Question # 6

Interstitial compounds have

Question # 7

Which of the following compounds gives red precipitate with AgNO3?

Question # 8

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 9

3-d series elements are present in:

Question # 10

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

Question # 11

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 12

The oxidation state of Fe in [Fe(CN)6]3-is

Question # 13

In the manufacture of iron from haematitie,limestone is added to act as

Question # 14

In the extraction of iron, slag is produced which is

Question # 15

The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is

Question # 16

Which metal is used for catalytic hydrogenation of oils

Question # 17

High purity copper metal is obtained by

Question # 18

Bronze is an alloy of Cu and

Question # 19

The total number of d-bock transition element is

Question # 20

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

Question # 21

Titanium is used as a catalyst in

Question # 22

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

Question # 23

Which of the following is not correct about transition metals?

Question # 24

Electronic configuration of Cu+2is

Question # 25

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

Question # 26

Maximum variable oxidation state is of:

Question # 27

Which of the following d-block elements can show the highest oxidation number in its compounds

Question # 28

Which of the following is not related to transition metals

Question # 29

The colour of transition metal complexes is due to

Question # 30

Which element has 4 unpaired electrons in 3d-orbital

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Bronze is an alloy which contains
A. 60% cu
B. 70% cu
C. 80% cu
D. 99% cu
2 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30
3 6-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
4 In physical and chemical properties, transition elements show
A. Similarities
B. Dissimilarities
C. Both of these
D. Somestimes similarities, sometimes dissimilarities
5 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
6 Which of the following is a typical transition metal
A. Sc
B. Y
C. Ra
D. Co
7 An oxidixing agent
A. K2Cr2O7
B. H2SO4
C. FeSO4
D. K2SO4
8 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
9 In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because
A. The 3rd orbital is of lower energy than 4s
B. The 4s orbital is of equal energy to 3d orbital
C. The half filled d-subshell is more stable than incomplete d-sub shell
D. 6 unpaired electrons make Cr more paramagnetic
10 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

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