A-LevelChemistryElectrochemistryOct/Nov 2010Paper 1 Q131 Mark
In aqueous solution, the acid HIO disproportionates according to the following equation where m, n, p and q are simple whole numbers in their lowest ratios. mHIO → nI₂ + pHIO₃ + qH₂O This equation can be balanced using oxidation numbers. What are the values for n and p?
An 1, p 2
Bn 2, p 1
Cn 4, p 1
Dn 4, p 2
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The correct answer is B. This question tests the candidate's understanding of electrochemistry within the Chemistrysyllabus. The examiner's mark scheme requires...
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