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Q.
The compound which is not isomeric with diethyl ether is
IIT JEEIIT JEE 1981
Solution:
Diethyl ether $(C_2H_5OC_2H_5) $ will be isomeric with all 4-carbon
saturated alcohols. Butanone $(CH_3CH_2COCH_3) $ is unsaturated,
has two hydrogen less than the diethylether.