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Q1) Chromyl chloride oxidises totulene to benzaldehyde, this reaction is known as [ AFMC 1999]




SOLUTION

The √Čtard reaction is a chemical reaction that involves the direct oxidation of an aromatic or heterocyclic bound methyl group to an aldehyde using chromyl chloride. Toluene can be oxidised to benzaldehyde
Toluene oxidized to benzaldehyde
Answer: (c)


Q2) Which of the following yield both alkane and alkene? [ AFMC 2004]




SOLUTION


Answer: (a)


Q3) When toluene i treated with KMNO4, what is produced [ AFMC 2005]



SOLUTION

Toluene on oxidation with KMnO4, gives benzoic acid
oxidation of toluene
Answer:(d)



Q4) The alkane is not obtained from.. [ AFMC 1999]



SOLUTION

Hydroxylation of ethyne
hydrolysis of ethyne
Answer: (a)


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