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  4. An organic compound of molecular formula C3H6O does not produce any precipitate with 2, 4-dinitrophenyl hydrazine and does not react with sodium metal. This compound is

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Q. An organic compound of molecular formula $C_3H_6O$ does not produce any precipitate with 2, 4-dinitrophenyl hydrazine and does not react with sodium metal. This compound is

Alcohols Phenols and Ethers

Solution:

Negative reaction with 2, 4- dinitrophenylhydrazine indicates absence of aldehydic (option a) and ketonic (option c) group, while negative reaction with metallic sodium indicates absence of an alcoholic group (option b), hence the organic compound, $C _{3} H _{6} O$ is $CH _{2}= CHOCH _{3}$