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

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

Question # 2

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

Question # 3

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

Question # 4

Allotropic forms of sulpher are

Question # 5

NO2forms acidic solution:

Question # 6

Which are metalloid?

Question # 7

Specific gravity of HNO3 is

Question # 8

Structure of P4 is

Question # 9

Which catalyst is used in contact process?

Question # 10

Nitrogen is present in atmosphere by weight:

Question # 11

Calcium carbonates contains oxygen in it:

Question # 12

Which property is not present in non-methals

Question # 13

Which can be prepared from HNO3?

Question # 14

Aqua Regia has ration of conc. HCl and HNO3.

Question # 15

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

Question # 16

Posphorus belongs to a group

Question # 17

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 18

Which has sweetish taste?

Question # 19

Allotropic forms of oxygen Te, Se are

Question # 20

Calcium carbonate contains oxygen in it

Question # 21

SO3 is not absorbed in water directly to or H2SO4 because

Question # 22

Ring testis given by ions.

Question # 23

Oxidation of NO in air produces

Question # 24

SO2is not absorbed in water directly to or H2SO4because:

Question # 25

Group VI-A elements are called:

Question # 26

Which is the most reactive?

Question # 27

Which phosphorus is the most poisonous?

Question # 28

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

Question # 29

All elements of group VI-A non-metal except

Question # 30

Which is an inert gas?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
2 Sulphuric acid is used
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above
3 Aqua Regia has ratio of conc. HCl and HNO3
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
4 Nitrogen is present in atmosphere by weight:
A. 75%
B. 76%
C. 77%
D. 78%
5 All elements of group VI-A non-metal except
A. Te
B. S
C. Se
D. Po
6 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
7 What are non-metals?
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N
8 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
9 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these
10 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles

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