Question

Write two use of each compounds. (3)

a) H2O2

b) LiAlH4

c) CaCO3​

Answer 1

Answer:

a)H2O2 is a mild antiseptic used on the skin to prevent infection of minor cuts, scrapes, and burns. It may also be used as a mouth rinse to help remove mucus or to relieve minor mouth irritation.

b) This compound is used as a reducing agent in organic synthesis, especially for the reduction of esters, carboxylic acids, and amides.

c)It plays an important role in construction, be it as a building material (marble) or as an ingredient in cement. It is used in medicinal industries which manufacture antacids, tablets which are made of base materials etc.

Answer 2

Explanation:

Use of H2O2 :

➪ Hydrogen peroxide is a mild antiseptic used on the skin to prevent infection of minor cuts, scrapes, and burns.

➪ It may also be used as a mouth rinse to help remove mucus or to relieve minor mouth irritation

Use of LiAlH4 :

➪ Lithium aluminum hydride (LiAlH4) is a strong reducing agent.

➪ It will donate hydride (“H-”) to any C=O containing functional group.

Use of CaCO3 :

➪ It plays an important role in construction, be it as a building material (marble) or as an ingredient in cement.

➪ It is used as calcium supplements.

Answer 3

Explanation:

Use of H2O2 :

➪ Hydrogen peroxide is a mild antiseptic used on the skin to prevent infection of minor cuts, scrapes, and burns.

➪ It may also be used as a mouth rinse to help remove mucus or to relieve minor mouth irritation

Use of LiAlH4 :

➪ Lithium aluminum hydride (LiAlH4) is a strong reducing agent.

➪ It will donate hydride (“H-”) to any C=O containing functional group.

Use of CaCO3 :

➪ It plays an important role in construction, be it as a building material (marble) or as an ingredient in cement.

➪ It is used as calcium supplements.

Answer 4

Explanation:

Use of H2O2 :

➪ Hydrogen peroxide is a mild antiseptic used on the skin to prevent infection of minor cuts, scrapes, and burns.

➪ It may also be used as a mouth rinse to help remove mucus or to relieve minor mouth irritation

Use of LiAlH4 :

➪ Lithium aluminum hydride (LiAlH4) is a strong reducing agent.

➪ It will donate hydride (“H-”) to any C=O containing functional group.

Use of CaCO3 :

➪ It plays an important role in construction, be it as a building material (marble) or as an ingredient in cement.

➪ It is used as calcium supplements.