ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements Online Test

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  • Chapter NameCh 15.Group IV-A and VI-A Elements
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ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements Online Test

  • Total Questions30

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ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements Online Test

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Question # 1

What are non-metals?

Question # 2

Structure of P4 is

Question # 3

Allotropic forms of phosphorus are

Question # 4

Which phosphorus is the most poisonous?

Question # 5

Which catalyst is used in contact process?

Question # 6

Which is aqua regia?

Question # 7

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

Question # 8

Which is laughing gas?

Question # 9

Which are metalloid?

Question # 10

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

Question # 11

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

Question # 12

Nitrogen is present in atmosphere

Question # 13

Sulphuric acid is used

Question # 14

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

Question # 15

Ring testis given by ions.

Question # 16

The most stable phosphorus allotrope is

Question # 17

Aqua Regia has ration of conc. HCl and HNO3.

Question # 18

Colour of PCl5is:

Question # 19

Laughing gas is chemically

Question # 20

Group VI-A elements are called:

Question # 21

Which element belongs to group V-A?

Question # 22

All elements of group VI-A non-metal except

Question # 23

Aqua Regia has ratio of conc. HCl and HNO3

Question # 24

Which has sweetish taste?

Question # 25

Nitrogen is present in atmosphere

Question # 26

Allotropic forms of sulpher are

Question # 27

Which property is not present in non-metals:

Question # 28

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

Question # 29

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

Question # 30

Oxidation of NO in air produces

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