Aldehydes Ketones Question 1

Question: Which of the following will fail to react with potassium dichromate and dilute sulphuric acid

Options:

A) Ethyl alcohol (ethanol)

B) Acetaldehyde (ethanal)

C) Secondary propyl alcohol (2-propanol)

D) Acetone (propanone)

Show Answer

Answer:

Correct Answer: D

Solution:

Acetone oxidise by $ K_2Cr_2O_7 $ & conc. $ H_2SO_4 $ into carboxylic acid. It is not oxidised by dilute $ H_2SO_4 $ .

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