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![[Post New]](/templates/default/images/icon_minipost_new.gif) 4 Jul 2007 10:29:25 IST
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A functional group is attached to a primary C atom in one compound,the same functional group is attached to a secondary C atom and to a tertiary C atom in another compound.Which type of isomerism is these?
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4 Jul 2007 10:32:54 IST
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i guess its positional isomerism in this case...hope u got it..cheers!!
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4 Jul 2007 11:15:34 IST
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it's a chain isomer.
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4 Jul 2007 12:32:04 IST
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It's both.There can be many cases for your question so i'm assuming 4 carbons and the functional grp as -OH. Note that minimum four carbons should be there for isomerism according to the given qs. so the compounds formed are 1)1-butanol 2)1-methyl-1 butanol 3)1-1 dimethyl-1 butanol. Chain isomerism is when the longest carbon chain is of the same number of carbons, in 1) longest carbon chain is of 4 carbons. In 2) it is 4 and in 3) it is 3 carbons. So 1,2 are chain isomers and 2,3 and 1,3 ae positional.
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4 Jul 2007 13:06:23 IST
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It's not any type of isomerism as the no. of molecules in each of the compounds are diff. that is the emperical formula is diff. so no isomerism is defined for the above.
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4 Jul 2007 19:58:39 IST
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its position isomerism........suppose C-C-C-C
C
.....this gp has 1degree, 2 degree, 3 degree carbons.......
now consider attachment of functional group...
3-methyl -1-butanol
3methyl -2-butanol
2-methyl-2-butanol
....plz rate d ans
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4 Jul 2007 20:02:10 IST
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how can you say so chem4884? Akshay has not mentioned anything regarding the compound(s).
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4 Jul 2007 20:18:12 IST
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If the number of carbon atoms in all the compounds are same,then the answer is POSITION ISOMERISM. POSITION ISOMERISM :- "Position isomers are compounds that have the same formula ,carbon skeleton and functional groups which are attached at different postions of the carbon skeleton " ==================================== For example, there are two structural isomers with the molecular formula C3H7Br. In one of them the bromine atom is on the end of the chain, whereas in the other it's attached in the middle. ========================================================== Another similar example occurs in alcohols such as C4H9OH Two other isomers of butanol are:
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4 Jul 2007 20:20:03 IST
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Examples taken from......... You can also refer the above link for more information about isomers........
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