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

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 2

Which is the most reactive?

Question # 3

Aqua Regia has ration of conc. HCl and HNO3.

Question # 4

Structure of P4 is

Question # 5

Which element belongs to group V-A?

Question # 6

Sulphuric acid is used

Question # 7

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

Question # 8

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

Question # 9

Formation of NO from N2 and O2 requires temp

Question # 10

Which property is not present in non-methals

Question # 11

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

Question # 12

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

Question # 13

Group VI-A elements are called:

Question # 14

Which is nitrous acid?

Question # 15

Which catalyst is used in contact process?

Question # 16

Which is laughing gas?

Question # 17

Laughing gas is chemically

Question # 18

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

Question # 19

Tungsten and uranium are turned to an reaction with HNO3

Question # 20

Which property is not present in non-metals:

Question # 21

SO2is not absorbed in water directly to or H2SO4because:

Question # 22

Nitrogen is present in atmosphere

Question # 23

Calcium carbonates contains oxygen in it:

Question # 24

Which has sweetish taste?

Question # 25

SO3 is not absorbed in water directly to or H2SO4 because

Question # 26

Which is aqua regia?

Question # 27

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

Question # 28

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

Question # 29

Which are metalloid?

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 Bone ash contains calcium phosphate
A. 70%
B. 80%
C. 90%
D. 100%
2 Which element of group IV-A does not use d-orbital?
A. N
B. P
C. As
D. Sb
3 The most stable phosphorus allotrope is
A. White
B. Red
C. Black
D. All
4 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
5 Which catalyst is used in contact process?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
6 Which property is not present in non-metals:
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity
7 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
8 Sulphuric acid is used
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above
9 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
10 Allotropic forms of sulpher are
A. Two
B. Three
C. Four
D. Five

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