Doubt from organic oxidation


Explain these two reactions

I just have the reaction and conditions not mechanism,

@Shwetanshu_2018 bro, @Shaquib sir
@Bhuvanitha_2020 share mechanism i m not able to find in internet to...

Mechanism for a general question

Mechanism for second question

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@Hritik_2020 plz check first question again

Whenever there is double bond or a carbon with H attached to benzene ring , on reaction with KMnO4 then it converts them to COOH .

1st question is also correct @Samarth_2020 when there is a double bond attached , then also same product is observed .
Among the 2 rings the one with more electron density oxidises and COOH and hence the right ring converts to COOH