Question

CH2 – CH3
|
a) CH3 – CH – CH –CH2 – CH = CH2
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CH3

Answer 1

Объяснение:

CH3-CH (CH3) - CH (CH3) 2

(CH3) 2CH-CH2-CH (CH3) 2

CH3-CH (CH3) - C (CH3) 3

CH3-CH (CH3) - CH2-CH3