Structure of hydrocarbons — task. Science State Board, Class 10.

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Select the correct condensed structural formula for the given compounds:

Answer variants:

$CH_2-CH_2-CH_2$

$CH_3-(CH)_6C$

$\equiv CH$

$CH_3-(CH_2)_4-CH_3$

$CH_3=CH_2$

$CH_3-(CH_2)_7C$

$\equiv CH$

$CH_2=CH-(CH_2)_2-CH_3$

1. Hexane -

2. 1-Decyne -

3. 1-Pentene -

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