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

00:00
Question # 1

NO2forms acidic solution:

Question # 2

SO3 is not absorbed in water directly to or H2SO4 because

Question # 3

Which is the most reactive?

Question # 4

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

Question # 5

Nitrogen is present in atmosphere

Question # 6

The most stable phosphorus allotrope is

Question # 7

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

Question # 8

Allotropic forms of sulpher are

Question # 9

Specific gravity of HNO3 is

Question # 10

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

Question # 11

Which property is not present in non-methals

Question # 12

Allotropic forms of phosphorus are

Question # 13

Which is aqua regia?

Question # 14

Nitrogen is present in atmosphere

Question # 15

Bone ash contains calcium phosphate

Question # 16

Oxidation of NO in air produces

Question # 17

Calcium carbonate contains oxygen in it

Question # 18

Which gas is heavier than air?

Question # 19

Aqua Regia has ration of conc. HCl and HNO3.

Question # 20

Laughing gas is chemically

Question # 21

All elements of group VI-A non-metal except

Question # 22

Aqua Regia has ratio of conc. HCl and HNO3

Question # 23

Which has sweetish taste?

Question # 24

Nitrogen is present in atmosphere by weight:

Question # 25

Colour of N2O4 is

Question # 26

Structure of P4 is

Question # 27

Calcium carbonates contains oxygen in it:

Question # 28

Sulphuric acid is used

Question # 29

Which can be prepared from HNO3?

Question # 30

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

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 NO2 forms acidic solution
A. Red
B. Blue
C. Green
D. Brown
2 The most stable phosphorus allotrope is
A. White
B. Red
C. Black
D. All
3 Which property is not present in non-methals
A. Predominantly covalent
B. Poor conductor
C. Hig E.N. value
D. High electropositivity
4 Which of the following species has the maximum number of unpaired electrons?
A. O2
B. O2+
C. O2-
D. O2-2
5 Which is aqua regia?
A. HCL : NO
B. HCl : HNO3
C. HCl : H2SO4
D. H2SO4 : HNO3
6 Allotropic forms of oxygen Te, Se are
A. Two
B. Three
C. Four
D. Five
7 Nitrogen is present in atmosphere by weight
A. 75%
B. 76%
C. 77%
D. 78%
8 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
9 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
10 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%

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