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MHT CET202013 Oct 2020Evening ShiftChemistryRedox ReactionsActual

What is the oxidation state of As in H ₃ AsO ₄ ?

Options

  1. A+3
  2. B+5
  3. C-3
  4. D-1

Correct answer

B. +5

Step-by-step solution

H ₃ AsO ₄ (1 3)+( x )+[4 (-2)]=3+ x -8 x=8-3=+5 Oxidation state of As in H ₃ AsO ₄=+5

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