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Author Topic: Structure and or Molecular Formula of ........  (Read 1011 times)
dustyd_2
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« on: June 12, 2009, 08:10:11 AM »

Hey guys...this is my first posting and was thankful that there was a group like this out there!  I thought I was good at chemistry but im having trouble with this....

I need to find the Structural Formula and the Molecular Formula of ...

Propyl Cyclopropyl Ether

Any help with be appreciated!

D
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kingchemist
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« Reply #1 on: June 12, 2009, 09:24:38 AM »

I think cyclopropyl ether is a ring structure with 3 carbon atoms and one oxygen atom all in the ring and has the formula C3H6O (each C atom has 2 H atoms attached).
A propyl group, C3H7,  is attached in place of one of these hydrogen atoms.
So I think the formula should be C3H7C3H5O
However, I am not an expert on this aspect.
« Last Edit: June 12, 2009, 09:32:23 AM by kingchemist » Logged

'Chemistry is not just the study of matter; Chemistry is the study which matters!' - Kingchemist
kyle1990
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« Reply #2 on: June 12, 2009, 12:56:23 PM »

I don't think I could break it down any more than kingchemist has done. I must say, organic chem is hard to teach =/
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"Theories are nets cast to catch what we call 'the world': to rationalize, to explain, and to master it. We endeavor to make the mesh ever finer and finer."
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chrisf
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« Reply #3 on: June 12, 2009, 08:33:14 PM »

Any time something is named with the -yl suffix, it's considered a substituent. In this case, it's because that's the generally accepted way of naming an ether - name the things connected to it as substituents.

Look at the O that constitutes the ether linkage, then name each 'side.'

I agree on C3H5OC3H7.
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spock
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« Reply #4 on: June 13, 2009, 07:06:30 PM »

I agree with Chris.  The O is a connector between the two carbon groups.  The oxygen is NOT part of the 3 carbon ring.

"The ethers are named by naming the radical on either side of the oxygen atom, and adding the word ether."
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chrisf
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« Reply #5 on: June 14, 2009, 10:11:51 AM »

I had this attached to my last post, but it doesn't seem to be working for me.
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