Answer Happy

17 the remaining 10 points Identify the structure that is consistent with the data below. Chemical formula: C4H802 IR (cm-): 1740 1H NMR: 1.1 (3H, t), 2.3 (2H, 9), 3.9 (3H, s) 13C NMR: 21 (q), 30 (q), 70 (t). 178 (s) MS: 57 miz CH3-CH2-0-C-CH, , 02 CHO & Che -CH2-0-CH structure B structure A O CH OCH CH-CH2-C-0--CH structure D structure C Structure C Structure D Structure A Structure B
2.22:13 Provide the reagents (in correct order) necessary to complete the following transformation Time Reminine < Step 1: KMnO4, NaOH, heat Step 2: H30+ Step 3: SOCI2, CH3OH Step 4: NaOCH3 Step 5: H307, heat Step 1:03 Step 2: S(CH3)2 Step 3: NaOCH3 Step 4: H307, heat Step 1: KMnO4, NaOH, heat Step 2: H30* Step 3: CH2N2 Step 4: NaOCH3 Step 5: CH3! Step 6: H30*, heat Step 1: KMnO4, NaOH, heat Step 2: CH3OH, heat
19 10 points Which of the following statements are true regarding the following compound? (Select all apply, Points will be deducted for incorrect answers) The molecule is planar All the carbons are sp2 hybridized The molecule can be drawn as a resonance hybrid of 3 Kekule structures The CCC bond angles are all equal to 120 The molecule is anti-aromatic The compound shows a peak above 200 nm in UV-visible spectrum