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

Which can be prepared from HNO3?

Question # 3

Allotropic forms of phosphorus are

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Which is the most reactive?

Question # 8

Group VI-A elements are called:

Question # 9

Which element belongs to group V-A?

Question # 10

Nitrogen is present in atmosphere by weight:

Question # 11

Which is an inert gas?

Question # 12

The most stable phosphorus allotrope is

Question # 13

Colour of PCl5is:

Question # 14

Which has sweetish taste?

Question # 15

NO2forms acidic solution:

Question # 16

Laughing gas is chemically

Question # 17

Tungsten and uranium are turned to an reaction with HNO3

Question # 18

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

Question # 19

Formation of NO from N2 and O2 requires temp

Question # 20

Sulphuric acid is used

Question # 21

What are non-metals?

Question # 22

Structure of P4 is

Question # 23

Ring testis given by ions.

Question # 24

The brown gas formed when metal reduces HNO3is

Question # 25

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 26

Calcium carbonates contains oxygen in it:

Question # 27

All elements of group VI-A non-metal except

Question # 28

Which property is not present in non-methals

Question # 29

Nitrogen is present in atmosphere

Question # 30

Which is nitrous acid?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 What are non-metals?
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N
2 Allotropic forms of phosphorus are
A. three
B. four
C. five
D. six
3 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
4 Which property is not present in non-methals
A. Predominantly covalent
B. Poor conductor
C. Hig E.N. value
D. High electropositivity
5 Aqua Regia has ratio of conc. HCl and HNO3
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
6 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO
7 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
8 Which element belongs to group V-A?
A. Cs
B. Ba
C. Sr
D. Bi
9 Which are metalloid?
A. Nitrogen and phosphorous
B. Arsenic and phosphorous antimony
C. Phosphorous and arsenic
D. Antimony and bismuth
10 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3

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