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Question
The reaction of sulphur in alkaline medium is given below:
\[\ce{S8(s) + {a} OH^-(aq) -> {b} S^{2-}(aq) + {c} S2O^{2-}3(aq) + {d} H2O(l)}\]
The values of 'a' are ______. (Integer answer)
Options
10
12
14
16
MCQ
Fill in the Blanks
Solution
The reaction of sulphur in alkaline medium is given below:
\[\ce{S8(s) + {a} OH^-(aq) -> {b} S^{2-}{aq} + {c} S2O^{2-}3(aq) + {d} H2O{(l)}}\]
The values of 'a' are 12.
Explanation:
\[\ce{S8(s) + {a} OH^-(aq) -> {b} S^{2-} + {c} S2O^{2-}3 + {d} H2O}\]
The balanced chemical equation is
\[\ce{S8 + 12 OH^-(aq) -> 4 S^{2-} + 2 S2O^{2-}3 + 6 H2O}\]
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Oxidation Number - Types of Redox Reactions
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