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

Bone ash contains calcium phosphate

Question # 2

Which element belongs to group V-A?

Question # 3

Which phosphorus is the most poisonous?

Question # 4

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

Question # 5

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

Question # 6

Which is nitrous acid?

Question # 7

Calcium carbonate contains oxygen in it

Question # 8

Colour of N2O4 is

Question # 9

The most stable phosphorus allotrope is

Question # 10

What are non-metals?

Question # 11

Laughing gas is chemically

Question # 12

Which can be prepared from HNO3?

Question # 13

Which is aqua regia?

Question # 14

Allotropic forms of sulpher are

Question # 15

SO2is not absorbed in water directly to or H2SO4because:

Question # 16

Tungsten and uranium are turned to an reaction with HNO3

Question # 17

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

Question # 18

Which is an inert gas?

Question # 19

Nitrogen is present in atmosphere by weight:

Question # 20

Structure of P4 is

Question # 21

Nitrogen is present in atmosphere by weight

Question # 22

Which property is not present in non-metals:

Question # 23

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

Question # 24

All elements of group VI-A non-metal except

Question # 25

Allotropic forms of oxygen Te, Se are

Question # 26

Which are metalloid?

Question # 27

Ring testis given by ions.

Question # 28

Which has sweetish taste?

Question # 29

Which has garlic like odour?

Question # 30

Posphorus belongs to a group

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 The most stable phosphorus allotrope is
A. White
B. Red
C. Black
D. All
2 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
3 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
4 Which phosphorus is the most poisonous?
A. White
B. Red
C. Black
D. All
5 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these
6 Which catalyst is used in contact process?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
7 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
8 Which element of group IV-A does not use d-orbital?
A. N
B. P
C. As
D. Sb
9 Reaction of HNO, with very dilute Zinc and at low temperature gives
A. H2
B. NO
C. NO2
D. NH4
10 Oxidation of NO in air produces
A. N2O
B. N2O3
C. N2O4
D. N2O5

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