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

Sulphuric acid is used

Question # 2

The most stable phosphorus allotrope is

Question # 3

NO2forms acidic solution:

Question # 4

Bone ash contains calcium phosphate

Question # 5

Structure of P4 is

Question # 6

Which catalyst is used in contact process?

Question # 7

Which phosphorus is the most poisonous?

Question # 8

Aqua Regia has ration of conc. HCl and HNO3.

Question # 9

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

Question # 10

Tungsten and uranium are turned to an reaction with HNO3

Question # 11

Which property is not present in non-metals:

Question # 12

Which is aqua regia?

Question # 13

What are non-metals?

Question # 14

Oxidation of NO in air produces

Question # 15

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

Question # 16

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

Question # 17

SO3 is not absorbed in water directly to or H2SO4 because

Question # 18

Allotropic forms of phosphorus are

Question # 19

Nitrogen is present in atmosphere by weight:

Question # 20

Colour of PCl5is:

Question # 21

Which is laughing gas?

Question # 22

Which can be prepared from HNO3?

Question # 23

Which property is not present in non-methals

Question # 24

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

Question # 25

Nitrogen is present in atmosphere by weight

Question # 26

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

Question # 27

All elements of group VI-A non-metal except

Question # 28

SO2is not absorbed in water directly to or H2SO4because:

Question # 29

Calcium carbonate contains oxygen in it

Question # 30

Which is the most reactive?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Out of all the elements of group V-A , the highest ionization energy is possessed by:
A. N
B. P
C. Sb
D. Bi
2 Colour of PCl5is:
A. Red
B. Yellowish White
C. Grey
D. Colourless
3 What are non-metals?
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N
4 Aqua Regia has ratio of conc. HCl and HNO3
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
5 Out of all the elements of group V-A, the highest ionization energy is possessed by
A. N
B. P
C. Sb
D. Bi
6 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
7 Allotropic forms of sulpher are
A. Two
B. Three
C. Four
D. Five
8 Allotropic forms of phosphorus are
A. three
B. four
C. five
D. six
9 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these
10 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates

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