6.What would be the expected product of the following reaction sequence? He8-o0e 1.CHgCH2ONa* 2.HgO*(no heat) 3 H C 9 OH CH,CH wc-o Ans:A 7.What factors contribute to the stability of the following structure? structure has a 6n electron aromatic system. stabilized by conjugation between C-C and C-O C or teren bonding ve are tru Page4Page 4 6. What would be the expected product of the following reaction sequence? H3C C O OCH2CH3 1. CH3CH2O- Na+ 2. H3O+ (no heat) ? A) H3C CH2 OCH2CH3 O O B) H3C O OCH2CH3 O O C) H3C C CH2 C OCH2CH3 OH O H D) H3C C O OH E) CH3CH2O C O C O OCH2CH3 Ans: A 7. What factors contribute to the stability of the following structure? H3C C C C CH3 O HO H A) structure has a 6π electron aromatic system. B) stabilized by conjugation between C=C and C=O. C) C=C is generally more stable than C=O. D) structure has intramolecular hydrogen bonding. E) more than one of the above are true. Ans: E