Question

1. Which of the oxides of nitrogen is acidic ?
2. Name a nonmetal that acts as a reducing agent.
3. Name the hydride of nitrogen. Is it acidic, basic or neutral ?
4. What is the nature of the oxide of phosphorus ?
5. Name a nonmetal, a salt of which is added to the common salt.​

Answer 1

Answer: 1 Nitrogen forms at least three acidic oxides. They are (1) dinitrogen trioxide, N2O3 (2) nitrogen dioxide, NO2 and (3) nitrogen pentoxide,N2O5. N2O3 is the anhydride of nitrous acid, HNO2. It dissolves in water to form this unstable acid.

2  When non-metals tend to react with oxygen atom they the lead to the formation of non-metal oxides. When non-metal oxides lose electrons then they are called non-metallic reducing agent. For example, carbon monoxide (CO) is a strong non-metallic reducing agent.

3 Ammonia (NH3): This is the only thermodynamically stable nitrogen hydride. It is prepared by the Haber process: Ammonia has a pyramidal structure, which undergoes rapid inversion (at a rate of 1010 s-1) Ammonia is more soluble in water than any other gas.

4 Phosphorus(V) oxide: Phosphorus(V) oxide reacts violently with water to give a solution containing a mixture of acids, the nature of which depends on the reaction conditions. Only one acid is commonly considered, phosphoric(V) acid, H3PO4 (also known as phosphoric acid or as orthophosphoric acid).

5 Iodine non-metal is added to common salt.

Answer 2

Answer:

1. Nitrogen forms at least three acidic oxides. They are (1) dinitrogen trioxide, N2O3 (2) nitrogen dioxide, NO2 and (3) nitrogen pentoxide,N2O5. N2O3 is the anhydride of nitrous acid, HNO2. It dissolves in water to form this unstable acid.

2. When non-metals tend to react with oxygen atom they the lead to the formation of non-metal oxides. When non-metal oxides lose electrons then they are called non-metallic reducing agent. For example, carbon monoxide (CO) is a strong non-metallic reducing agent.

3. NH3, N2H4, N2H2, HN3 , All other hydrides are basic except HN3 which is acidic in nature.

4. Phosphorus(V) oxide: Phosphorus(V) oxide reacts violently with water to give a solution containing a mixture of acids, the nature of which depends on the reaction conditions. Only one acid is commonly considered, phosphoric(V) acid, H3PO4 (also known as phosphoric acid or as orthophosphoric acid).

5. Iodine non-metal is added to common salt.