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How will you synthesise ? (a) Isopropyl bromide from n-propyl bromide. (b) n-propyl bromide from isopropyl bromide. (C) Propionic acid from ethyl bromide. (d) 1- Bromopropane from 1-chloropropane. (e) Ethylene glycol from ethyl chloride. (f) Chloroform from ethyl alcohol. (g) Iodoform from acetylene. (h) vinyl bromide from ethyl alcohol. (i) Allyl chloride from propane. (j) Methyl iodide from methane. (k) o- Bromobenzoic acid from toluene. (I) o-Chlorotoluene from toluene. |
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Answer» Solution :`(a) CH_(3)CH_(2)CH_(2)BR OVERSET(alc. KOH)underset(Delta)(to) CH_(3)CH=CH_(2) overset(HBr)(to) CH_(3)CHBrCH_(3)` `(b) CH_(3)CHBrCH_(3) overset(alc.KOH)underset(Delta)(to)CH_(3)CH =CH_(2) overset(HBr)underset("peroxide")(to)` `CH_(3) CH_(2)CH_(2)Br` ` (C) C_(2)H_(5)Br overset(KCN)(to)C_(2)H_(5)CN overset(H_(2)O)(to) C_(2)H_(5)COOH` `(d) CH_(3)CH_(2)CH_(2)CI overset(alc.KOH)underset(Delta)(to) CH_(3)CH=CH_(2)overset(HBr)underset("peroxide")(to)` `CH_(3)CH_(2)CH_(2)Br` `(e) CH_(3)CH_(2)CI overset(alc.KOH)underset(Delta)(to) H_(2)C=CH_(2) overset("Alkaline")underset(KMnO_(4))(to)` `CH_(2)OH -CH_(2)OH` `(f) C_(2)H_(5)OH +CaOCI_(2) ("Bleaching powder")` `[CaOCI_(2) +HOH to CI_(2) +Ca(OH)_(2)]` `C_(2)H_(5)OH overset(CI_(2))underset([O])(to) CH_(3)CHO overset(CI_(2))(to) C CI_(3)CHO overset(Ca(OH)_(2))(to)` `CHCI_(3)+(HCOO)_(2)Ca` `(g) HC-=CH overset(H_(2)SO_(4))underset(HgSO_(4))(to) CH_(3)CHO overset(I_(2))underset(NaOH)(to) CHI_(3) +HCOONa` `(h) C_(2)H_(5)OH overset(H_(2)SO_(4))underset(Delta)(to) H_(2)C=CH_(2) overset(Br_(2))underset(C CI_(4))(to) CH_(2)Br -CH_(2)Br` `overset(alc.KOH)underset(Delta)(to) CH_(2)=CHBr` `(i) CH_(3)CH_(2)CH_(3)overset(CI_(2))underset(UV)(to) CH_(3)CH_(2)CH_(2)CI+CH_(3)CHCICIH_(3)` `overset(alc.KOH)underset(Delta)(to) CH_(3)CH=CH_(2)overset(CI_(2))underset(773K)(to) CICH_(2)CH=CH_(2)` `(j) CH_(4)overset(CI_(2))underset(UV)(to)CH_(3)CI overset(Nal)underset(Acetone)(to) CH_(3) I` 
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