How is hydrogen prepared: a) From water by using a reducing agent? b) In laboratory in the pure form? c) From hydrocarbon?

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sforrest072 · Answer 1 · 2017-10-10T03:38:42+0000

a) It is usually prepared by the reaction of granulated zinc with dilute hydrochloric acid.

2Na + 2H₂O ⟶ 2NaOH + H₂

b) By the electrolysis of water.

c) CH₄ + H₂O_(g) ⟶ Co_(g) + 3H_2(g)