Question

Q-6. Name the product formed.
a) P2O3 + 3H2O →
b) CO2 + H2O
c) SO2 + H2O
d) 3Fe + 202
e) 4Na + O2​

Answer 1

Answer:

P2O3 + 3 H2O → 2 H3PO3

CO2 + H2O → H2CO3

SO2 + H2O → H2SO3

4 Fe (s) + 3 O2 (g) → 2 Fe2O3 (s)

4 Na + O2 → 2 Na2O

Explanation:

1) Reactants:

P2O3

Names: Phosphorus trioxide

H2O – Water,

Products:

H3PO3 – Phosphonic acid

2)Reactants:

CO2

Names: Carbon dioxide

H2O – Water

Products:

H2CO3

Names: Performic acid

3)Reactants:

SO2 – Sulfur dioxide

Products:

H2SO3 – Sulfurous acid

4)4 Fe0 - 12 e- → 4 Fe

(oxidation)

6 O + 12 e- → 6 O

(reduction)

5)4 Na0 - 4 e- → 4 Na

(oxidation)

2 O + 4 e- → 2 O

(reduction)