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NTA Abhyas 2020
Exam
NTA Abhyas
Year
2020
Subject
Chemistry
Chapter
s Block Elements

NTA Abhyas 2020 · Chemistry · s Block Elements

Peroxide ion is present in:

Peroxide ion is present in:

Options

  1. AMgOMgO
  2. BCaOCaO
  3. CLi2OL{i}_{2}O
  4. DBaO2Ba{O}_{2}

Correct answer

D. BaO2Ba{O}_{2}

Step-by-step solution

BaO2→Ba+2+O2–2Ba{O}_{2} \to Ba^{+ 2} + {O}_{2}^{– 2}
Peroxide ion.
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