[joshphillips1977]

Please I have no idea how to start this any and all advice would be Greatly appreciated.
This my study guide for this weeks final, NOT homework!

[Arkcon]

Can you really do not even one?  Halogenation ... what does that mean?  Is any one of them obviously that, and so can be removed from the list?  Always try to do easy things like that first when you have a set of problems like this.  At least try to start.

[joshphillips1977]

Can you really do not even one?  Halogenation ... what does that mean?  Is any one of them obviously that, and so can be removed from the list?  Always try to do easy things like that first when you have a set of problems like this.  At least try to start.

I think that number 4 is Dehydration but I am not sure. As far as eliminating halogenation,  one of them should be halogenation because the instructions say to only use each answer one time. "Halogenation is a chemical reaction that involves the reaction of a compound with a halogen and results in the halogen being adding to the compound" I have no experience with any of this which is why I am asking. I appreciate your help as well I am here to work it out...

[joshphillips1977]

attempt at one

[Arkcon]

Good.  Now.  What's a halogen?  That is an easy definition to find out.

[joshphillips1977]

a group in the periodic table consisting of five chemically related elements, fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).

[joshphillips1977]

So number one is halogenation then?

[Borek]

Four to go.

[joshphillips1977]

Okay so how do I go about finding out about addition, substitution, elimination and dehydration synthesis? I mean let''s say I google addition it's gonna bring up stuff about math...

[Arkcon]

True enough, but what does the word 'addition' mean?  In common English, I mean to say.  It doesn't just mean the adding of two numbers.  You can make an 'addition' of sugar to coffee, if you want to.  Which reaction in your picture looks like something was added?  More important, which ones don't look like that?

Are you beginning, at least, to realize that you didn't really have no idea what to do, when you started this problem?

[joshphillips1977]

Okay so it looks as if number 6 adds 2H but what about the Other O.
And number 3 looks like it substitutes O for an S?

[discodermolide]

So addition and substitution reactions then.

[joshphillips1977]

Okay so if number 6 is an addition reaction what about the the O?

[discodermolide]

What is the problem with the O?

[joshphillips1977]

No problem it's just double bonded on the left side...