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Question: Answered & Verified by Expert

$a$ and $y$ respectively are
ChemistryRedox ReactionsKCETKCET 2023
Options:
  • A $8 ; 3$
  • B $8 ; 6$
  • C $3 ; 6$
  • D $8 ; 8$
Solution:
1929 Upvotes Verified Answer
The correct answer is: $8 ; 6$
$8 \mathrm{MnO}_4^{-}+3 \mathrm{~S}_2 \mathrm{O}_3^{2-}+\mathrm{H}_2 \mathrm{O} \longrightarrow$
$8 \mathrm{MnO}_2+6 \mathrm{SO}_4^{2-}+2 \mathrm{OH}^{-}$
From the reaction it is clear that, $a=8$ and $y=6$.

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