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JEE Advanced2009Chemistrys Block ElementsActual

The compound(s) formed upon combustion of sodium metal in excess air is (are)

Options

  1. ANa ₂ O ₂
  2. BNa ₂ O
  3. CNaO ₂
  4. DNaOH

Correct answer

A. Na ₂ O ₂

Step-by-step solution

Sodium on heating in air forms both normal oxide and peroxides.

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