Q.

Which of the following reaction is not true ?

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a

CH2=CHCH2OHMnO2CH2=CHCHO

b

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c

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d

Both 1 & 2

answer is C.

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Detailed Solution

Manganese dioxide, MnO2, is a mild oxidizing agent that selectively oxidizes primary or secondary allylic and benzylic alcohols. Primary alcohols yield aldehydes and secondary alcohols form ketones. 

Primary alcohol is not oxidesed, hence 

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this reaction is incorrect 

 

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Which of the following reaction is not true ?