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KVPY2016ChemistryRedox Reactions

A redox reaction among the following is

Options

  1. ACdCl ₂+2 KOH Cd ( OH )₂+2 KCl
  2. BBaCl ₂+ K ₂ SO ₄ BaSO ₄+2 KCl
  3. CCaCO ₃ CaO + CO ₂
  4. D2 Ca + O ₂ 2 CaO

Correct answer

D. 2 Ca + O ₂ 2 CaO

Step-by-step solution

Redox reaction is the reaction in which oxidation & reduction take place simultaneously So answer is (D)

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