Isopropyl vs Propyl  [ENDORSED]

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Isopropyl vs Propyl

Postby 904779609 » Sun Mar 05, 2017 11:41 pm

What is the difference between isopropyl and propyl?????

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Re: Isopropyl vs Propyl

Postby Marie_Rhoads_2C » Sun Mar 05, 2017 11:45 pm

Isopropyl has the specific orientation of being attached to a central carbon atom with two CH3 molecules attached (so in IUPAC naming it can become dimethylethyl), whereas propyl is three carbons all attached in a line branching off the main carbon chain, so it's two CH2 molecules and one CH3 molecule.

Vivian Tan 3F
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Re: Isopropyl vs Propyl  [ENDORSED]

Postby Vivian Tan 3F » Sun Mar 05, 2017 11:56 pm

The substituent isopropyl has distinct "Y" shape, and the propyl substituent is just a jagged line of CH2CH2CH3.

In the attached picture, the first is the propyl substituent and the second is the isopropyl substituent.
imageedit_1_9337625078.png (6.42 KiB) Viewed 2326 times

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Re: Isopropyl vs Propyl

Postby KelseyKobayashi_2M » Mon Mar 06, 2017 10:12 am

Should we always just use the IUPAC naming instead of the common names?

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Re: Isopropyl vs Propyl

Postby Shailyn_Moore_3C » Mon Mar 06, 2017 10:18 am

Lavelle said we would need to know both the IUPAC and Common Names so I'm assuming he'll want us to use the common names when applicable.

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