In which of the following is the reactant undergoing reduction? (Note: These reactions are not complete chemical equations.)
A)C₂H₄O → C₂H₄O₂
B)C₂H₄O → C₂H₆O
C)CO → CO₂
D)CH₄ → C

Question

Quizplus · Accepted Answer

In reaction B, C₂H₄O is being reduced to C₂H₆O by gaining two hydrogen atoms. Reduction involves gaining electrons or gaining hydrogen atoms, whereas oxidation involves loss of electrons or loss of hydrogen atoms. None of the other reactions in the given options involve reduction.

In Which of the Following Is the Reactant Undergoing Reduction