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

Potassium hexacyanoferrate (II) has the formula

Question # 2

Most transition elements show

Question # 3

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 4

Which of the following compounds gives red precipitate with AgNO3?

Question # 5

Group VI-B of transition elements contains:

Question # 6

Transition elements form which type of bond

Question # 7

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

Question # 8

What are alloys

Question # 9

Which element belong to 5d series

Question # 10

Steel may be manufacture by two processes which two are correct

Question # 11

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

Question # 12

Which is used to identify Cu2+ions

Question # 13

Which of the following is used as disinfectant

Question # 14

Content of carbon in steel is:

Question # 15

Group VIB of transition elements contains

Question # 16

Bessemer converter is used in the manufacture of

Question # 17

Which of the following is not an element?

Question # 18

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

Question # 19

Transition metals mostly are

Question # 20

Which of the following metals is sometimes found in native state in nature?

Question # 21

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

Question # 22

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

Question # 23

Choose the correct answer of transition elements?

Question # 24

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 25

Which one of the following metal ions is colourless?

Question # 26

The color of Cr3+ion is

Question # 27

The number of unpaired electrons in Mn2+is

Question # 28

Which metal is used for catalytic hydrogenation of oils

Question # 29

f-block elements are called :

Question # 30

The colour of transition metal complexes is due to

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Choose the correct answer of transition elements?
A. Transition elements have low melting points
B. Transition elements do not have catalytic activity
C. Transition elements exhibit variable oxidation states
D. Transition elements exhibit inert pair effect
2 How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?
A. 10
B. 5
C. 6
D. 2
3 Which of the following elements does not show variable oxidation states?
A. Copper
B. Iron
C. Zinc
D. Titanium
4 Which has the largest radius?
A. CO3+
B. Mn3+
C. Fe3+
D. Cr3+
5 Bronze is an alloy which contains
A. 60% cu
B. 70% cu
C. 80% cu
D. 99% cu
6 d-block elements are also called :
A. alkali metal
B. Alkaline earth metals
C. Transition elements
D. Electron deficient elements
7 The formula of curprite is
A. Cu2S
B. Cus
C. Cu2O
D. CuCO3
8 Which period starts from 11Sc to 30Zn ?
A. First Period
B. Second Period
C. Third Period
D. 4th Period
9 Which is in differnet phase form other metals
A. Ni
B. Hg
C. Cd
D. Na
10 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3

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