1.

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

Answer»

ETHYL alcohol (ethanol)
Acetaldehyde (ethanal)
Secondary propyl alcohol (2-propanol)
Acetone (PROPANONE)

Solution :Acetone oxidise by `K_(2)Cr_(2)O_(7)` & conc. `H_(2)SO_(4)` into carboxylic acid. It is not oxidised by DILUTE `H_(2)SO_(4)`.


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