Use your molecular model kit and construct a model of C2H6 O. Typically, atoms i

Question

Use your molecular model kit and construct a model of C2H6 O. Typically, atoms in model kits have the following colors: Carbon = black Hydrogen = white Oxygen = red Chlorine = green Bromine = orange Iodine = purple H C H H O C H H H H C H H C H H O H Figure 1: As you connect the atoms to build the model, remember that oxygen typically forms two bonds, those being: 2 single bonds or 1 double bond. Are there any other possibilities for the structure of the C2 H6 O molecule besides the one you constructed? Two ways of connecting the atoms of the molecule are: These are two distinctly different molecules with different physical and chemical properties, but their molecular formulas are the same (both C2 H6 O). These compounds are constitutional isomers; they have the same molecular formulas, but different connectivity, i.e., different structural formulas. We have no problem representing these structures on a two dimensional surface since it is sufficient to distinguish them by the connectivity differences within each (which atoms are connected to which others).

Explanation / Answer

There are only 2 possibilities for the structure of C2H6O : ether and alcohol.

CH3-O-CH3 = Ether (Methoxymethane)

CH3-CH2-OH= Alcohol(Ethanol)

Both are constitutional isomers of C2H6O.

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