Question

When $C_2H_5OH$ is treated with acidified $k_2Cr_2O_7$ to forms $CH_3CHO$. It is an example of

• A. neutralization
• B. hydrolysis
• C. oxidation
• D. reduction.

Answer 1

Answer: (C)

oxidation

Answer 2

Addition of oxygen or removal of hydrogen is termed as oxidation {\underset{\mathrm{Ethanol}}{ {C_2OH}}$->[K_2Cr_2O_7 + alc .H_2SO_4][{[O]}]$\underset{\mathrm{Acetaldehyde}}{ {CH_3CH_3}}}