In manufacturing of Clâ‚‚ gas, according to the reaction:
HCl + Oâ‚‚ \xrightarrow{CuClâ‚‚}
{Cl is one isotope of chlorine}
The probable products for this reaction are:
(i) Clâ‚‚ + Hâ‚‚O
(ii) Clâ‚‚ + Hâ‚‚O
(iii) Cl-Cl + Hâ‚‚O
Which of the above three set of products can actually be obtained?
(A) only (i)
(B) (i) & (ii)
(C) only (iii)
(D) (i), (ii) & (iii)
Answer (1)
In this question, we are looking at the reaction between hydrochloric acid (HCl) and oxygen (Oâ‚‚) in the presence of a catalyst, copper(II) chloride (CuClâ‚‚), to produce chlorine gas (Clâ‚‚).
The actual chemical reaction involved is the Deacon process, which is used industrially for producing chlorine. The balanced chemical equation for this reaction is:
4 e x t H Cl + e x t O 2 ​ C u C l 2 ​ ​ 2 e x t Cl 2 ​ + 2 e x t H 2 ​ e x t O
From the analysis of this equation, the products formed are chlorine gas (Clâ‚‚) and water (Hâ‚‚O).
Now, let's evaluate the options provided:
(i) Clâ‚‚ + Hâ‚‚O : This is exactly what is formed in the balanced chemical reaction. Therefore, this set of products is indeed correct.
(ii) Clâ‚‚ + Hâ‚‚O : This seems to be a repetition of the first option, and it is correct as explained above.
(iii) Cl-Cl + Hâ‚‚O : 'Cl-Cl' is simply another way of representing molecular chlorine (Clâ‚‚), as chlorine gas is made up of Clâ‚‚ molecules. This effectively represents the same products as in (i) and (ii). Therefore, this is also correct.
Since all the options mention the formation of Clâ‚‚ and Hâ‚‚O, and they are all correct interpretations of the chemical reaction, the correct answer is:
(D) (i), (ii) & (iii)
The Deacon process efficiently converts HCl into Clâ‚‚ with the help of a catalyst, typically in an industrial setting.
