Write balanced chemical equations with physical state symbols and necessary conditions, if any:

Write balanced chemical equations with physical state symbols and necessary conditions, if any:

(a) Nitrogen reacts with hydrogen in the presence of iron as a catalyst at 200 atmospheric pressure and 600°C temperature, and the product obtained is ammonia.

Ans: – The balance chemical equation is,

N2(g) + 3 H2(g) 2NH3(g).

 

(b) Aqueous solution of sodium hydroxide reacts with hydrochloric acid and produces sodium chloride and water.

Ans: – NaOH(g) + HCl(l) —–> NaCl(s) + H2O(l).

 

(c) Phosphorus burns in chlorine gas to form phosphorous pentachloride.

Ans: – P4 (g) + 20Cl(g) —-> 4PCl5(g)

 

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