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September 20, 2014

Homework Help: chemistry

Posted by bex on Monday, February 26, 2007 at 2:14pm.

I have a compound

ch3 = ch- ch - oh

ch3
the ch3 is under the first ch from the left, i have to identify the monomer unit and draw a structure showing three monomer unit

any help


i have a compound
CH3= CH - CH - OH

and another CH3 under the first CH from the left , I have to identify the monomer unit and draw a structure showing three monomer unit

can any one please help as im really lost

yes it is but i dont understand what you have wrote what does nbsp mean

and yes the spacing is hard to do lol

I erased what I had done because it didn't space as I had intended. Let me try again.
CH3=CH-CH-OH
          |
          CH3

If it is like this, you have two five-valent carbons and a three-valent carbon.

CH3= CH - CH - OH

This compound is incorrect! If carbon only has four valance orbitals, and four valance electrons (so four bonding electrons), you cannot have a double carbon bond, and three hydrogens attached. this would require carbon having 5 valence electrons.
Also, you couldn't possibly have another CH3 under the first CH from the left for the same reason; you have three carbon-carbon bonds already, and then a hydrogen on top of that, filling up all four valence orbitals.
Maybe this is why you can't name the structure.

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