Question

сH2__сн - сн(сн3), 2​

Answer 1

Answer:

C2h⁴ 6H²

Explanation:

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Answer 2

Answer:

see image

$\rm The \: IUPAC \: name \: of \: CH_2=CH - CH(CH_3)_2$

$\rm is \: \: 3−methyl−1−butene.$

The numbering is started from the end which gives the lowest locants to doubly bonded C atoms.