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Imdadul Haque posted an Question
November 11, 2020 • 01:13 am 30 points
  • IIT JAM
  • Chemistry (CY)

[bhu 2017] the decreasing order of basicity of the following compounds is: nh 29. nh2 nh2 nh2 no2 no2 o2 (d) i> ii > ii > iv (c) ii> iv> iii > i (b) i> ii> iv>

[BHU 2017] The decreasing order of basicity of the following compounds is: NH 29. NH2 NH2 NH2 NO2 NO2 O2 (d) I> II > II > IV (c) II> IV> III > I (b) I> II> IV> II (ayI> I1> III > IV

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  • Suman Kumar

    option B is correct. Steric inhibition of protonation. https://youtu.be/oiBfkRIjkew

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    Priyanshu kumar best-answer

    Option B is correct Electronwithdrawing group decreases basicity of aniline....so Aniline is most basic II is least basic as NO2 group is nearer to aniline.. meta nitroaniline is most basic as at meta position only inductive effect works

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    got this imdadul?

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    sir isme order of basicity kya hoga

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    Dinesh khalmaniya 1 Best Answer

    option B Aniline is most basic among all because there is no EWG attached to it. Now meta nitro aniline is more basic due to -I effect while O nitroanile is least basic among all because of -M as well as -I effect of NO2. and NO2 has less distance than para isomers which also has -M as well as -I

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