Group 16

Question 1

Sulfur in nature

Answer 1

Sulfur occurs naturally as an element, often in volcanic areas, Sulfur is an element that exists in nature and can be found in soil, plants, foods, and water.

Question 2

active atomic structure of S

Answer 2

6

Question 3

Stable atomic structure in S

Answer 3

8 dots [S]-2

Question 4

Lowest oxidation number

Answer 4

-2 tik reduktorius

Question 5

Highest oxidation number

Answer 5

+6 tik oksidatorius

Question 6

Sulfite

Answer 6

compounds that contain the sulfite SO3

Question 7

uses of sulfite

Answer 7

wine, chips, dried fruit

Question 8

sulphuric acid uses

Answer 8

pharmaceuticals, gasoline, car batteries, bleaching, water treatment

Question 9

sulfuric acid producti

Answer 9

combustion of sulphur to produce SO2 in the presence of dry air, (2) oxidation of SO2 to SO3 in a series of adiabatic catalytic packed beds, and (3) absorption of sulphur trioxide in a concentrated sulphuric acid absorber and conversion to sulphuric acid.

Question 10

Sulfuric acid contact process

Answer 10

Sulfur dioxide and oxygen, passed over a hot catalyst, unite to form sulfur trioxide, which combines with water to make sulfuric acid.

Question 11

Chemical properties of sulfuric acid

Answer 11

Reacts with metals, hydroxydes, metaloxydes, salts.

Question 12

katalizatorius

Answer 12

(V2O5)
2SO2+O2<->2SO3