catchonyet
catchonyet catchonyet
  • 02-08-2019
  • Chemistry
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what is the general formula for straight-chain hydrocarbons with n carbon atoms and m (multiple) double bonds?

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cristisp93
cristisp93 cristisp93
  • 14-08-2019

the formula:

[tex]C_{a} H_{2a+2-2x}[/tex]

where

a - number of the carbon atoms

x - number of double bonds

We take as a example the hydrocarbon with 4 carbon atoms

x = 1 → [tex]C_{4} H_{2*4+2-2*1}[/tex] → [tex]C_{4} H_{8}[/tex]

x = 2 → [tex]C_{4} H_{2*4+2-2*2}[/tex] → [tex]C_{4} H_{6}[/tex]

x = 3 → [tex]C_{4} H_{2*4+2-2*3}[/tex] → [tex]C_{4} H_{4}[/tex]

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