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Give the IUPAC name of alkene, product obtained on ozonolysis. (i) 2 moler propanone (Acetone) (ii) Ethanal and propanal (iii) Ethanal and pentane-3-one (iv) Ethanal and butanal (v) Propanone and butane-2-one |
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Answer» Solution :(i) Product : `underset(""uarr "ozonolysis")(underset("Acetone")(CH_(3)-overset(O)overset(||)(C)-CH_(3))+underset("Acetone")(CH_(3)-overset(O)overset(||)(C)-CH_(3)))` Structure of alkene : `CH_(3)-underset(CH_(3))underset(|)(C)=underset(CH_(3))underset(|)(C)-CH_(3)` IUPAC name : 2, 3-Dimethyl-But-2-ene (II) Product : `underset(uarr "ozonolysis")underset("Ethanol")(CH_(3)CHO)+underset("PROPANAL")(CH_(3)CH_(2)CHO)` Structure of alkene : `CH_(3)CH=CHCH_(2)CH_(3)` IUPAC name : 2-Pentane (III) Product : `underset("Ethanol")(CH_(2)CHO) + underset("Pentane-3-one")(CH_(3)CH_(2)COCH_(2)CH_(3))` `uarr "Ozonolysis " O_(3), Zn, H_(2)O, -H_(2)O_(2)` Structure of alkene : `{:(CH_(3)CH=C-CH_(2)CH_(3)),("|"),(""CH_(2)CH_(3)):}` IUPAC name : 3-ethyl-pent-2-ene (iv) Product : `underset("Ethanal")(CH_(3)CHO) + underset("Butanal")(CH_(3)CH_(2)CH_(2)CHO)` `uarr` Oxonolysis (i) `O_(3)`, (ii) `Zn, H_(2)O, -H_(2)O` Name of alkene : `CH_(3)CH=CHCH_(2)CH_(2)CH_(3)` IUPAC Name : 2-Hexene (v) product : `[["propanone + Butane-2-one"],[CH_(3)COCH_(3)+CH_(3)COCH_(2)CH_(3)]]` `"Ozonolysis " uarr` Structure of alkene :`CH_(3)-underset(CH_(3))underset(|)(C)=underset(CH_(3))underset(|)(C)-CH_(2)CH_(3)` IUPAC Name : 2,3-Dimethyl-pent-3-ene |
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