1.

The IUPACnameof thecompound

Answer»

`C_(2) H_(5)underset( CH_(2))underset(||)(C ) - underset(CH_(3))underset(|)(C H)-CH_(3) ` is :
2-Ethyl-3- METHYL -1- butene
Ethylisopropylethane
2-Ethyl-3- methyl-2-butene

ANSWER :B


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