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Solution


Q.

Incorrect method of preparation for alcohols from the following is:                [2023]
1 Reaction of ketone with RMgBr followed by hydrolysis  
2 Reaction of alkyl halide with aqueous NaOH.  
3 Ozonolysis of alkene.  
4 Hydroboration–oxidation of alkene.  

Ans.

(3)

In ozonolysis of alkene aldehydes or ketones are formed as product.