ECAT Pre Engineering Chemistry Chapter 15 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements

Try The MCQ's Test For ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements

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ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements

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Question # 1

Out of all the elements of group V1-A the highest melting and boiling points is shown by the element

Question # 2

Which element of group IV-A does not use d — orbital?

Question # 3

Which is laughing gas?

Question # 4

What are non-metals?

Question # 5

Which has sweetish taste?

Question # 6

Posphorus belongs to a group

Question # 7

Which is aqua regia?

Question # 8

The most stable phosphorus allotrope is

Question # 9

The brown gas formed when metal reduces HNO3is

Question # 10

Which of the following species has the maximum number of unpaired electrons?

Question # 11

Among group V-A elements, the most electronegative element is

Question # 12

Which property is not present in non-metals:

Question # 13

Reaction of HNO, with very dilute Zinc and at low temperature gives

Question # 14

Allotropic forms of oxygen Te, Se are

Question # 15

Nitrogen is present in atmosphere by weight:

Question # 16

NO2forms acidic solution:

Question # 17

Which element belongs to group V-A?

Question # 18

Allotropic forms of sulpher are

Question # 19

Colour of N2O4 is

Question # 20

Calcium carbonates contains oxygen in it:

Question # 21

Which is an inert gas?

Question # 22

Which has garlic like odour?

Question # 23

Structure of P4 is

Question # 24

Which element of group IV-A does not use d-orbital?

Question # 25

Tungsten and uranium are turned to an reaction with HNO3

Question # 26

Which can be prepared from HNO3?

Question # 27

Sulphuric acid is used

Question # 28

Group VI-A elements are called:

Question # 29

Colour of PCl5is:

Question # 30

Calcium carbonate contains oxygen in it

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Allotropic forms of sulpher are
A. Two
B. Three
C. Four
D. Five
2 The most stable phosphorus allotrope is
A. White
B. Red
C. Black
D. All
3 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
4 Which element belongs to group V-A?
A. Cs
B. Ba
C. Sr
D. Bi
5 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
6 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
7 Which phosphorus is the most poisonous?
A. White
B. Red
C. Black
D. All
8 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2
9 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO
10 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these

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