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

NO2forms acidic solution:

Question # 2

Which is nitrous acid?

Question # 3

Which has sweetish taste?

Question # 4

Which has garlic like odour?

Question # 5

Formation of NO from N2 and O2 requires temp

Question # 6

Which phosphorus is the most poisonous?

Question # 7

The brown gas formed when metal reduces HNO3is

Question # 8

Which is aqua regia?

Question # 9

The most stable phosphorus allotrope is

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

SO3 is not absorbed in water directly to or H2SO4 because

Question # 14

What are non-metals?

Question # 15

Bone ash contains calcium phosphate

Question # 16

Which is laughing gas?

Question # 17

Laughing gas is chemically

Question # 18

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

Question # 19

Allotropic forms of oxygen Te, Se are

Question # 20

Nitrogen is present in atmosphere

Question # 21

Which are metalloid?

Question # 22

Aqua Regia has ratio of conc. HCl and HNO3

Question # 23

Group VI-A elements are called:

Question # 24

Sulphuric acid is used

Question # 25

Specific gravity of HNO3 is

Question # 26

Calcium carbonates contains oxygen in it:

Question # 27

Tungsten and uranium are turned to an reaction with HNO3

Question # 28

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which is the most reactive?
A. White phosphorus
B. Red Phosphorus
C. Graphite
D. Plastic sulphur
2 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
3 Which element belongs to group V-A?
A. Cs
B. Ba
C. Sr
D. Bi
4 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
5 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
6 SO2is not absorbed in water directly to or H2SO4because:
A. The reaction does not go to completion
B. the reaction is quite slow
C. the reaction is exothemic
D. SO3is insolublein water
7 Allotropic forms of sulpher are
A. Two
B. Three
C. Four
D. Five
8 Calcium carbonate contains oxygen in it
A. 48%
B. 50%
C. 53%
D. 60%
9 All elements of group VI-A non-metal except
A. Te
B. S
C. Se
D. Po
10 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown

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