Question

(c) Chlorine reacts with hydrogen to to
form an acid.
gen to form a colourless gas that dissolves in water to
(i) What is the name of the colourless gas!
(ii) What is the name of the acid?
​

Answer 1

i) colourless gas is hydrogen.

ii) name of acid is HCl.

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Answer 2

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Answer:

A solution of the gas in water is called hydrochloric acid. Hydrogen chloride may be formed by the direct combination of chlorine (Cl2) gas and hydrogen (H2) gas; the reaction is rapid at temperatures above 250° C (482° F).

Explanation:

When hydrogen reacts with chlorine, hydrogen chloride is formed. Hydrogen chloride is a gas, and has the formula HCl(g). When hydrogen chloride dissolves in water, hydrochloric acid is formed.