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MHT CET202313 May 2023Morning ShiftChemistryRedox ReactionsActual

What is the change in oxidation number of selenium in the following redox reaction? SeO _ 3 (aq) ²⁻+ Cl _ 2( ~g ) +2 OH ⁻ SeO _ 4( (aq) ²⁻+2 Cl _ ( (4q) ) ⁻+ H ₂ O

Options

  1. A+2 to -2
  2. B-2 to +2
  3. C+4 to +6
  4. D+3 to +4

Correct answer

C. +4 to +6

Step-by-step solution

array |l|l| 1 |c| SeO ₃²⁻ & 1 c| SeO ₄²⁻ array l x+(-2 3)=-2 x=+4 array & x+(-2 4)=-2 & x=+6 array

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