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JEE Main levelSingle correct optionDifficulty 2 of 3bn181

Match the compound (Column I) with the oxidation number of oxygen in it (Column II). Use O = in peroxide, in superoxide and F = . Column I: P ; Q ; R ; S . Column II: 1 ; 2 ; 3 ; 4 .

  1. AP-2, Q-4, R-3, S-1
  2. BP-4, Q-2, R-3, S-1
  3. CP-2, Q-4, R-1, S-3
  4. DP-1, Q-3, R-2, S-4

Answer: A

is a peroxide: O = (P-2). is a superoxide: O = (Q-4). In , F = so gives O = (R-3). In O = (S-1).
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