AP EAMCET · Chemistry · Redox Reactions
Which of the following represents disproportionation of potassium chlorate?
- A \(2 \mathrm{KClO}_3 \longrightarrow 2 \mathrm{KCl}+3 \mathrm{O}_2\)
- B \(3 \mathrm{KClO}_3 \longrightarrow 2 \mathrm{KClO}_2+\mathrm{KClO}_3\)
- C \(4 \mathrm{KClO}_3 \longrightarrow 3 \mathrm{KClO}_4+\mathrm{KCl}\)
- D None of the above
Answer & Solution
Correct Answer
(C) \(4 \mathrm{KClO}_3 \longrightarrow 3 \mathrm{KClO}_4+\mathrm{KCl}\)
Step-by-step Solution
Detailed explanation
\(\stackrel{(+5)}{4 \mathrm{KClO}_3} \longrightarrow 3 \stackrel{(-7)}{\mathrm{KClO}_4}+\stackrel{(-1)}{\mathrm{KCl}}\) Potassium chlorate disproportionate into potassium perchlorate and potassium chloride at higher temperature. Hence, the correct option is (c).
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