Question

Question 1 --/1) Please refer to the structure on page 419b problem 13.36e. The correct name of this molecule is: 1 para-xylene 2 meta-methyltoluene 3 dimethyltoluene (4 1,3-dimethylbenzene

Answer 1

sol" :- In there the are given only home of molecule two existing name. CH2 3 (Para-xylene) (mere-xylene) or 1,3 dimethyl benzene. I Huckel rul is given by (Antalné 6 cyclohexene This molecule have onlyl on double bunda cyclohex are there is no double bond. o Benzene & Hove three doruble bond. . 13 up clo hexadiene have only two double bond. So, Benzene is the most stable comporind for ruckel rule 2 Benzen's expected heat of hydrogenation is almost 356 KT) mole. But in altul it is - 208 kyl mole The difference of 152 kj/mote is the reconoce a the bond length of kenrene in same due to delocalization Benzene prefer electrophilic substitution reaction rather than addition due to stability. &

The solution is provided in above fig.