Is ethane a carbohydrate?

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Aingeal
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Is ethane a carbohydrate?

Post by Aingeal » Tue Apr 04, 2006 2:28 pm

Ok I found this topic:

about3744.html

which tells me that ethane isn't a carbohydrate, that it's a hydrocarbonate, but it doesn't explain to me why, and I can't find it in my textbook.

I don't understand...is it because there's more hydrogen in ethane than carbon?
(Ethane: C2H6)

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Post by Trev » Tue Apr 04, 2006 4:16 pm

Ethane belongs to alkane range of hydrocarbons substance (or matter, I don`t know, how it sounds in english right). Thier general formula: C2H(2n+2)

Carbohydrates - it`s a sugars =) for example, maltose, glucose.
Their general formula: Cm(H2O)n
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Mjhavok
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Post by Mjhavok » Tue Apr 04, 2006 4:22 pm

Hydrocarbon (hydro = hydrogen and carbon = carbon)

Carbohydrate (Carbo=carbon, hydr = hydrogen, ate = oxygen)
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Post by Aingeal » Tue Apr 04, 2006 6:35 pm

Okay, thank you very much!!

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Post by MrMistery » Fri Apr 07, 2006 5:33 pm

Carbohidrates are characterised by a carbonil bond. That doesn't mean it can't be something else if it has the carbonil bond, but it needs to have it in order to be a sugar.
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victor
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Post by victor » Sun Apr 09, 2006 12:29 pm

Mjhavok wrote:Hydrocarbon (hydro = hydrogen and carbon = carbon)

Carbohydrate (Carbo=carbon, hydr = hydrogen, ate = oxygen)


carbohydrate
carbo = carbon
hydrate = water (H2O or H-OH) molecules that get attached on anoter atom/molecule..:wink:


MrMistery wrote:Carbohidrates are characterised by a carbonil bond. That doesn't mean it can't be something else if it has the carbonil bond, but it needs to have it in order to be a sugar.


I'll add that 'something else'..:lol:
as we see that carbohydrate (i.e. maltose or formerly named "4-O-[alpha-D-glucopyranocyl]-beta-D-glucopyranose") has some kinds of groups like -OH, H-C=O, C-H and C-O-C.
And I think that you (Andrew) better put 'group' word instead of 'bond' word (see the highlighted one). It's because we only know two major intramolecular bonds which are ionic bond and covalent bond while others are intermolecular bond like H-bond and VDW forces.
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Post by Enzyme » Mon Apr 10, 2006 8:01 am

- Hydrocarbons only contain carbon and hydrogene (they are the most simplest organic compounds in this world) and can be straight-chained, branched-chained or cyclic. Carbon (the chemical element) form four covalent bonds in a tetrahedral geometry. Hydrocarbon derivatives are built when there is a substitution of a functional group at one or more of these positions. So ethane is a hydrocarbon.

- Carbohydrates are organic molecules which contain carbon, oxygen and hydrogene. Their general formula is CnH2nOn. Commonly we say that carbohydrates have the same atoms of carbon as water molecules, but it is not completely true because the structure of carbohydrates doesn't show any water molecule in it. The structure is a cyclic compound with combined atoms of carbon, hydrogen and oxygen of this form:
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Post by victor » Tue Apr 11, 2006 6:59 am

for a better explainations, see Haworth's projection for carbohydrates and compare it with Fischer's projection...
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