Which of the following statements is not true?

A.) when a carbon atom in a C-H bond has somewhat more than its share of electrons, it is said to be reduced
B.) hydrogenation reactions are oxidations, and dehydrogenation reactions are reductions
C.) when a sugar molecule is oxidized to CO2 and H2O, the O2 molecules involved in forming the H2O are reduced
D.) oxidation and reduction reactions always occur simultaneously


Ans: B.) hydrogenation reactions are oxidations, and dehydrogenation reactions are reductions

Biology & Microbiology

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