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![[Post New]](/templates/default/images/icon_minipost_new.gif) 13 Dec 2007 11:48:03 IST
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1,2 diclorobenzene 1,2dimethylbenzene o-hydroxy nitrobenzene
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Umang |
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13 Dec 2007 12:22:28 IST
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o-hydroxynitrobenzene> 1,2-dichlorobenzene>1,2-dimethylbenzene
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"Nenenthedhavano naake teleedu"
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13 Dec 2007 21:47:07 IST
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pls explain !!!
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Umang |
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13 Dec 2007 21:51:37 IST
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a>b>c the alphabets represent the compound in the order asked in the question.....
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13 Dec 2007 22:05:10 IST
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it would be better if u could explain it !
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Umang |
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13 Dec 2007 22:07:24 IST
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Cl exhibits a high dipole moment higher than CH3...... For o-nitro phenol...... the direction of the dipole moment due to -OH and -NO2 is in opposite directions and hence compensate for each other's effect.....
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13 Dec 2007 22:16:59 IST
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i am sorry but the answer given is c>b>a !!!
i also thought the way u did !
pls explain !
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Umang |
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14 Dec 2007 01:25:25 IST
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although i would agree with harsha's answer.
the only way of explaining b coming before c, will be if we say that though |I| (magnitude of I effect) of Cl > CH3, but due to repulsion and large size of two Cl atoms, C1-C2 bond length increases, thereby increasing @, thus myu dercreses.
comparatively CH3 has very small size.
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