1. Tardigrade
  2. Question
  3. Chemistry
  4. How many of the following statements refer to 'oxidation'? i. Addition of oxygen ii. Addition of electropositive element iii. Removal of oxygen iv. Removal of hydrogen v. Addition of electronegative element vi. Loss of electrons vii. Oxidation number of the element decreases

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Q. How many of the following statements refer to 'oxidation'?
i. Addition of oxygen
ii. Addition of electropositive element
iii. Removal of oxygen
iv. Removal of hydrogen
v. Addition of electronegative element
vi. Loss of electrons
vii. Oxidation number of the element decreases

Redox Reactions

Solution:

Statements $i, iv, v$ and $vi$ represent oxidation.