MHT CET Medical202623 April 2026Morning ShiftChemistryRedox ReactionsActual
Which of the following is true regarding oxidation?
Options
- Aloss of electron by an atom.
- Bgain of electron by an atom.
- Caddition of electron to an atom.
- Daddition of electropositive elements.
Correct answer
A. loss of electron by an atom.
Step-by-step solution
Oxidation is defined as the loss of electrons by an atom, molecule, or ion. It is also associated with an increase in the oxidation state of an element. Reduction is defined as the gain of electrons or the addition of electropositive elements. Therefore, the statement 'loss of electron by an atom' correctly describes oxidation. Answer: loss of electron by an atom.