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alterego
 Post subject: Organic Chemistry - Alkyl Halides
PostPosted: Mon Jan 25, 2010 5:52 pm 
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Joined: Mon Jan 25, 2010 5:44 pm
Posts: 3
Which of the following represents the order of dipole moment for an alkyl halide (RX) ?
1. RF > RCl > RBr
2. RF < RCl < RBr
3. RF > RCl < RBr
4. RCl > RF > RBr
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mani2357
 Post subject: Re: Organic Chemistry - Alkyl Halides
PostPosted: Wed Jan 27, 2010 10:31 pm 
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Joined: Thu Jan 07, 2010 1:15 pm
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RCl will have the highest dipole moment between the three.

Only answer choice is (4).
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ganesh
 Post subject: Re: Organic Chemistry - Alkyl Halides
PostPosted: Thu Jan 28, 2010 7:18 am 
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Joined: Thu Jan 21, 2010 10:58 am
Posts: 1
I have not yet started preparing organic chemistry thoroughly, but I think the answer should be in the order of Fluoride, chloride, bromide. So, it is either 1 or 2

Since Fluoring is a small molecule, RF will probably not have enough dipole moment, I would go with anser choice 2
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alterego
 Post subject: Re: Organic Chemistry - Alkyl Halides
PostPosted: Thu Feb 04, 2010 2:21 pm 
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your explanation is right ganesh, but the Cl bond with an alkyl bond has a higher dipole moment wen comapred to an Fl atom
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alterego
 Post subject: Re: Organic Chemistry - Alkyl Halides
PostPosted: Thu Feb 04, 2010 2:22 pm 
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Posts: 3
ok try this new question :)
(the nos are basically subscripts)
HBr reacts with CH2 = CH – OCH3 under anhydrous conditions in room temperature to give
a. CH3 – CHBr – OCH3
b. CH3CHO AND CH3Br
c. BrCH2CHO & CH3OH
d. BrCH2 - CH2 – OCH3
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