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JEE Main levelSingle correct optionDifficulty 2 of 3rx099

Assertion (A): Hydrogen peroxide can act both as an oxidising agent and as a reducing agent. Reason (R): Oxygen in has oxidation number -1, which lies between 0 and -2. Choose the correct option.

  1. ABoth A and R are true but R is not the correct explanation of A
  2. BA is false but R is true
  3. CA is true but R is false
  4. DBoth A and R are true and R is the correct explanation of A

Answer: D

In oxygen is at -1, between its common states 0 (in ) and -2 (in water or oxide). It can go down to -2 (oxidant) or up to 0 (reductant). So both statements are true and R explains A.
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