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

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

Question # 2

The most stable phosphorus allotrope is

Question # 3

Posphorus belongs to a group

Question # 4

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

Question # 5

Ring testis given by ions.

Question # 6

What are non-metals?

Question # 7

Which gas is heavier than air?

Question # 8

Out of all the elements of group V-A , the highest ionization energy is possessed by:

Question # 9

Which is nitrous acid?

Question # 10

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

Question # 11

Calcium carbonate contains oxygen in it

Question # 12

Nitrogen is present in atmosphere by weight:

Question # 13

Which can be prepared from HNO3?

Question # 14

Specific gravity of HNO3 is

Question # 15

Colour of PCl5is:

Question # 16

Sulphuric acid is used

Question # 17

Which is the most reactive?

Question # 18

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

Question # 19

Tungsten and uranium are turned to an reaction with HNO3

Question # 20

Out of all the elements of group V-A, the highest ionization energy is possessed by

Question # 21

Aqua Regia has ration of conc. HCl and HNO3.

Question # 22

Which catalyst is used in contact process?

Question # 23

Nitrogen is present in atmosphere

Question # 24

Which has garlic like odour?

Question # 25

Structure of P4 is

Question # 26

Which phosphorus is the most poisonous?

Question # 27

Bone ash contains calcium phosphate

Question # 28

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

Question # 29

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 30

Colour of N2O4 is

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Among group V-A elements, the most electronegative element is
A. Sb
B. N
C. P
D. As
2 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
3 Allotropic forms of phosphorus are
A. three
B. four
C. five
D. six
4 Allotropic forms of sulpher are
A. Two
B. Three
C. Four
D. Five
5 Nitrogen is present in atmosphere by weight
A. 75%
B. 76%
C. 77%
D. 78%
6 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%
7 Aqua Regia has ration of conc. HCl and HNO3.
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
8 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
9 Nitrogen is present in atmosphere
A. 36%
B. 78%
C. 89%
D. 21%
10 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2

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