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JEE Main levelSingle correct optionDifficulty 2 of 3rx013

Assertion (A): The oxidation number of oxygen in is positive. Reason (R): Fluorine is more electronegative than oxygen. Choose the correct option.

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

Answer: A

F is more electronegative than O, so in each F is and O is from . Hence A is true and R explains it.
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