Q14 / 160 · TS EAMCET 2020 (09 Sep Shift 1) · Chemistry

Hydrogen peroxide is stored away from light because it can get decomposed when exposed to light as

  • Correct answer
    A
    H2O and O2 
  • B
    H2 and O2
  • C
    H2O and H2 
  • D
    H2O and O3

Solution

2H2O2   →2 H2O  + O2  +2e-

In the presence  of light  hydrogen peroxide easily break down or decomposed into 

water and oxygen . Hydrogen peroxide is unstable so slowly decomposed  in the presence of light,.

Hence, the correct answer is option: 'A'.

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