Question

Chlorine dioxide (ClO2), which is produced by the reaction
2NaClO2(aq) + Cl2(g) → 2ClO2(g) + 2NaCl(aq)
has been tested as a disinfectant for municipal water treatment.
a. Using data from Table 11.1, calculate ϐo, ΔGo, and K at 25oC for the production of ClO2.
b. One of the concerns in using ClO2 as a disinfectant is that the carcinogenic chlorate ion (ClO3-) might be a by-product. It can be formed from the reaction ClO2(g) ⇌ ClO3-(aq) + Cl2(aq) Balance the equation for the decomposition of ClO2.
Table 11.1


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  • CreatedMay 05, 2015
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