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

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Question # 1

Bell metal is an alloy of

Question # 2

Which of the following is a typical transition metal

Question # 3

Besides Zn and Cu , German silver contains the metal

Question # 4

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 5

Which is not a bidentate ligand

Question # 6

Choose the correct answer of transition elements?

Question # 7

Which of the following is a not typical transition element

Question # 8

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

Question # 9

Oxalic acid oxidizes to:

Question # 10

Bell metal is an alloy of Sn and

Question # 11

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

Question # 12

The iron obtained from blast furnace is

Question # 13

A phtotographic plate is coated with an emulsion of silver nitrate and

Question # 14

Transition elements are called so because:

Question # 15

Bronze is an alloy which contains

Question # 16

Which one of the following has highest density

Question # 17

The number of unpaired electrons in ferrous ion ( Z - 26) is

Question # 18

In physical and chemical properties, transition elements show

Question # 19

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 20

The colour of a transition metal complex is due to d-d transition The colour of the complex is the complementary of the colour absorbed. Thus [Ti(H2O6]3+abosrbs yellow light and transmits blue and red colours therefore the solution of titanium complex appears

Question # 21

Which of the following is a transition element

Question # 22

Platinum (IV) chloride combines with ammonia to form compounds in which the coordination number of the platinum is 6. A formula unit on one of the compound contains a cation and only two chloride ions. What is the formula of this compound

Question # 23

The total number of d-bock transition element is

Question # 24

Sodium thisoulophate is used in photography because of its

Question # 25

The total number of transition elements is:

Question # 26

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

Question # 27

Out of 110 known elements, transition elements are

Question # 28

Coordination sphere may be:

Question # 29

Group VI-B of transition elements contains:

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following metals is sometimes found in native state in nature?
A. Al
B. Cu
C. Fe
D. Mg
2 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
3 What are alloys
A. A homogenous mixture of two or more elements
B. A homohenous mixture of metal and a non-metal
C. A homogenous mixture of two or more metals
D. None of the above
4 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
5 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
6 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
7 3-d series elements are present in:
A. First period
B. Second Period
C. Third period
D. 4th period
8 Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is
A. 4
B. 5
C. 6
D. 7
9 Rusting can be avoided by :
A. Making alloys
B. Tin or Zinc plating
C. Use of enamel
D. All of these
10 Which has the largest radius?
A. CO3+
B. Mn3+
C. Fe3+
D. Cr3+

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