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

Potassium hexacyanoferrate (II) has the formula

Question # 2

In the extraction of iron, slag is produced which is

Question # 3

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

Question # 4

Which of the following is a not typical transition element

Question # 5

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

Question # 6

Turnbull's blue is a compound called?

Question # 7

Which of the following is a transition element

Question # 8

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 9

Transition elements form which type of bond

Question # 10

The oxidation number of Ni in [Ni(CO)4] is

Question # 11

The total number of transition elements is:

Question # 12

A transition element is defined as an element of 3d series

Question # 13

Which of the following is a typical transition metal?

Question # 14

d-block elements are also called :

Question # 15

The colour of transition metal complexes is due to

Question # 16

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

Question # 17

Transition metals mostly are

Question # 18

Coordination sphere may be:

Question # 19

Which is in differnet phase form other metals

Question # 20

The protection of steel by chrome plating is due to

Question # 21

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

Question # 22

The coordination number of iron in [Fe(H2O)6]3+is

Question # 23

Maximum variable oxidation state is of:

Question # 24

Group VI-B of transition elements contains:

Question # 25

Which of the following compounds gives red precipitate with AgNO3?

Question # 26

Non-formation of menisus by Hg in presence of O3is due to the formation of

Question # 27

Which of the following is a typical transition metal

Question # 28

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

Question # 29

Choose the correct answer of transition elements?

Question # 30

f-Block elements are also called

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
2 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+
3 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10
4 In physical and chemical properties, transition elements show
A. Similarities
B. Dissimilarities
C. Both of these
D. Somestimes similarities, sometimes dissimilarities
5 Bronze is an alloy which contains
A. 60% cu
B. 70% cu
C. 80% cu
D. 99% cu
6 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30
7 Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the
A. Reduction of Cu2+
B. Oxidation of Cu2+
C. Reduction of Fe
D. Reduction of Fe3+
8 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
9 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
10 All 3d series elements show variable oxidation states. The one shown by all 3d elements is
A. +2
B. +3
C. +4
D. +5

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