Knock out the real definitions

Exercise and reference answers

Questions

1. Question

   Eliminate the true statements about redox reactions.

   Choices

   1. Item

      Oxidation can occur without reduction

      Correct

      Yes

   2. Explanation

      That is part of the stated definition of oxidation.

      Item

      Oxidation adds an electronegative element

   3. Explanation

      That is part of the broadened definition of reduction.

      Item

      Reduction adds an electropositive element

   4. Explanation

      That is the first of the oxidation number rules.

      Item

      A free element has oxidation number zero

Instructions

Remove the statements that are true. One false one should survive.

Explanation