Naming Hydrocarbon

ami8000 · 11 Jul 2009, 12:01 PM

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Hello guys,

I did a topic test on Chemical Monitoring and Management and a question came up to name this compound:

CH2-CH2-CH=CH-CH3
|
CH3

I named it 2-Hexene but the teacher said its 1-Methyl-3-Pentene. But I know her answer is wrong, 4 science teachers have backed me up but she won't accept it.

How can I prove her wrong? ( I need the mark so I can come 1st)

Cheers,
Ami

Pwnage101 · 11 Jul 2009, 12:50 PM

definitely 2-hexene, as long as what youve drawn is correct

because you name according to the longest carbon chain

there's no such thing as 1-Methyl-3-Pentene is there? 3-Methyl-1-Pentene, yes, but a quick google serch supports my claim

i dont know how you would go about this but that etacher sounds extremelya rrogant - take it up with the science co-ordinator, and if nothin happens, then the curriculum co-ordinator. Pu it in writing, along with supporting evidence from websites and those teachers you mention.

ami8000 · 11 Jul 2009, 6:51 PM

thanks man.

I told her that 1-Methyl-2-Pentene doesnt exist. She is like "I don't care...Its naming practice".

Thanks,
Ami

clintmyster · 11 Jul 2009, 7:01 PM

your best bet is get the other teachers to harrass her. Did anyone else complain?
If she needs more conclusive proof then look through some past papers to see if you can find a similar question. Or at least, ask her to give a detailed explanation and then you go and ridicule it!

Jeidor · 11 Jul 2009, 7:06 PM

2-hexene. keep it simple. the methyl group is plain bs.

annabackwards · 11 Jul 2009, 8:08 PM

2-hexene

Get everyone to complain to her and get other teachers to harass her.

If that doesn't work, try speaking to your science coordinator

gurmies · 11 Jul 2009, 8:10 PM

Isn't it hex-2-ene now?

ami8000 · 11 Jul 2009, 8:14 PM

I would try, but they got to keep it "professional"

annabackwards · 11 Jul 2009, 8:17 PM

Quote:

Originally Posted by gurmies

Isn't it hex-2-ene now?

Yeah that's the new method that sometimes comes up. But my teacher said that most people still use the old 2-hexene way and that both ways are acceptable

Quote:

Originally Posted by ami8000

I would try, but they got to keep it "professional"

Good luck ^^

ami8000 · 10 Sep 2009, 7:23 PM

Got the mark!
Woot!

annabackwards · 10 Sep 2009, 8:08 PM

Quote:

Originally Posted by ami8000

Got the mark!
Woot!

Took you long enough

gurmies · 10 Sep 2009, 9:10 PM

Also - isn't it now known as hex-2-ene?

MetroMattums · 10 Sep 2009, 9:16 PM

Quote:

Originally Posted by gurmies

Also - isn't it now known as hex-2-ene?

Hex-2-ene and 2-Hexene are both accepted.

gurmies · 10 Sep 2009, 11:07 PM

Quote:

Originally Posted by MetroMattums

Hex-2-ene and 2-Hexene are both accepted.

Cool. Our teachers insist on alk-2-ene for some reason.

ami8000 · 11 Sep 2009, 7:14 PM

Quote:

Originally Posted by annabackwards

Took you long enough

i know aye! far

k!

View Poll Results: What is the name?
2- Hexene	17	94.44%
1-Methyl-3-Pentene	0	0%
5-Methyl-2-Pentene	1	5.56%
Voters: 18. You may not vote on this poll

11 Jul 2009, 12:01 PM	#1 (permalink)
ami8000 Junior Member HSC: 2009 Gender: Male Location: In a House Join Date: Aug 2008 Posts: 36 Last Activity: 17 Nov 2009, 6:18 PM	Naming Hydrocarbon You can hide this advertisement by registering. Hello guys, I did a topic test on Chemical Monitoring and Management and a question came up to name this compound: CH2-CH2-CH=CH-CH3 \| CH3 I named it 2-Hexene but the teacher said its 1-Methyl-3-Pentene. But I know her answer is wrong, 4 science teachers have backed me up but she won't accept it. How can I prove her wrong? ( I need the mark so I can come 1st) Cheers, Ami __________________ You have to know how to accept rejection and reject acceptance. Maths English Physics Chemistry Biology Ancient history "When I was born I was so surprised I didn't talk for a year and a half."

11 Jul 2009, 12:50 PM	#2 (permalink)
Pwnage101 Supreme Member HSC: 2008 Gender: Undisclosed Join Date: May 2008 Posts: 1,278 Last Activity: Yesterday, 5:14 PM	Re: Naming Hydrocarbon definitely 2-hexene, as long as what youve drawn is correct because you name according to the longest carbon chain there's no such thing as 1-Methyl-3-Pentene is there? 3-Methyl-1-Pentene, yes, but a quick google serch supports my claim i dont know how you would go about this but that etacher sounds extremelya rrogant - take it up with the science co-ordinator, and if nothin happens, then the curriculum co-ordinator. Pu it in writing, along with supporting evidence from websites and those teachers you mention.

11 Jul 2009, 6:51 PM	#3 (permalink)
ami8000 Junior Member HSC: 2009 Gender: Male Location: In a House Join Date: Aug 2008 Posts: 36 Last Activity: 17 Nov 2009, 6:18 PM	Re: Naming Hydrocarbon thanks man. I told her that 1-Methyl-2-Pentene doesnt exist. She is like "I don't care...Its naming practice". Thanks, Ami __________________ You have to know how to accept rejection and reject acceptance. Maths English Physics Chemistry Biology Ancient history "When I was born I was so surprised I didn't talk for a year and a half."

11 Jul 2009, 7:01 PM	#4 (permalink)
clintmyster Prophet 9 FTW HSC: 2009 Gender: Male Join Date: Nov 2007 Posts: 814 Last Activity: Yesterday, 12:15 PM Blog Entries: 1	Re: Naming Hydrocarbon your best bet is get the other teachers to harrass her. Did anyone else complain? If she needs more conclusive proof then look through some past papers to see if you can find a similar question. Or at least, ask her to give a detailed explanation and then you go and ridicule it! __________________ Need some extra help with l subjects like Physics, Maths and English? Looking to excel in the 2010 HSC? Click here! ----------------------------------------- AIMS: UAI 98.5+ MBBS ----------------------------------------- 2009 Girraweener n proud Subjects Mathematics Extn 1: Mathematics Extn 2: Chemistry: Physics: Ancient History: English:

11 Jul 2009, 7:06 PM	#5 (permalink)
Jeidor New Member HSC: 2009 Gender: Male Join Date: Aug 2008 Posts: 3 Last Activity: 11 Oct 2009, 6:41 PM	Re: Naming Hydrocarbon 2-hexene. keep it simple. the methyl group is plain bs.

11 Jul 2009, 8:08 PM	#6 (permalink)
annabackwards <3 Prophet 9 AyyyTAR Hater HSC: 2009 Gender: Female Location: Sydney Join Date: Jun 2008 Posts: 3,279 Last Activity: Yesterday, 2:25 PM	Re: Naming Hydrocarbon 2-hexene Get everyone to complain to her and get other teachers to harass her. If that doesn't work, try speaking to your science coordinator __________________ Courses: Extension 1 + 2 maths, Chemistry, Physics, Modern History and Advanced English UAI aim: 99+ Click the user bars to join the groups of the era Want a friendly tutor with experience and plenty of resources? Click here, but hurry as there's only one slot left!

11 Jul 2009, 8:14 PM	#8 (permalink)
ami8000 Junior Member HSC: 2009 Gender: Male Location: In a House Join Date: Aug 2008 Posts: 36 Last Activity: 17 Nov 2009, 6:18 PM	Re: Naming Hydrocarbon I would try, but they got to keep it "professional" __________________ You have to know how to accept rejection and reject acceptance. Maths English Physics Chemistry Biology Ancient history "When I was born I was so surprised I didn't talk for a year and a half."

10 Sep 2009, 7:23 PM	#10 (permalink)
ami8000 Junior Member HSC: 2009 Gender: Male Location: In a House Join Date: Aug 2008 Posts: 36 Last Activity: 17 Nov 2009, 6:18 PM	Re: Naming Hydrocarbon Got the mark! Woot! __________________ You have to know how to accept rejection and reject acceptance. Maths English Physics Chemistry Biology Ancient history "When I was born I was so surprised I didn't talk for a year and a half."

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