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

Colour of N2O4 is

Question # 2

Which has sweetish taste?

Question # 3

Aqua Regia has ration of conc. HCl and HNO3.

Question # 4

Structure of P4 is

Question # 5

Which phosphorus is the most poisonous?

Question # 6

Aqua Regia has ratio of conc. HCl and HNO3

Question # 7

Oxidation of NO in air produces

Question # 8

Calcium carbonates contains oxygen in it:

Question # 9

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

Question # 10

Laughing gas is chemically

Question # 11

NO2forms acidic solution:

Question # 12

Nitrogen is present in atmosphere by weight

Question # 13

Sulphuric acid is used

Question # 14

Which is aqua regia?

Question # 15

Which are metalloid?

Question # 16

What are non-metals?

Question # 17

Posphorus belongs to a group

Question # 18

Which element belongs to group V-A?

Question # 19

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

Question # 20

The most stable phosphorus allotrope is

Question # 21

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

Question # 22

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

Question # 23

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 24

Colour of PCl5is:

Question # 25

Which is laughing gas?

Question # 26

Ring testis given by ions.

Question # 27

Allotropic forms of phosphorus are

Question # 28

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

Question # 29

Which property is not present in non-metals:

Question # 30

Which can be prepared from HNO3?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Colour of PCl5is:
A. Red
B. Yellowish White
C. Grey
D. Colourless
2 Which is an inert gas?
A. Nitrogen
B. Oxygen
C. Hydrogen
D. CO
3 Which property is not present in non-metals:
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity
4 Which is the most reactive?
A. White phosphorus
B. Red Phosphorus
C. Graphite
D. Plastic sulphur
5 Tungsten and uranium are turned to an reaction with HNO3
A. Oxides
B. Chlorides
C. Nitrides
D. Nitrates
6 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
7 Which is aqua regia?
A. HCL : NO
B. HCl : HNO3
C. HCl : H2SO4
D. H2SO4 : HNO3
8 Nitrogen is present in atmosphere by weight
A. 75%
B. 76%
C. 77%
D. 78%
9 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
10 Out of all the elements of group VI-A the highest melting and boiling points is shown by the elements:
A. Te
B. Se
C. S
D. Pb

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