e Print Calculator-Periodic Table Question 2 of 12 Organic Chemistry mmany Publi

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e Print Calculator-Periodic Table Question 2 of 12 Organic Chemistry mmany Publishers aping Leaming Five isomeric alkenes A-E each undergo catalytic hydrogenation to give 2-methylpentane. The IR spectra of these five alkenes have the following key absorptions (in cm) Compound A: 912 (s), 994 (s), 1643 (s), 3077 (m) Compound B: 833 (s) 1667 (w), 3050 (weak shoulder on C-H absorption) Compound C: 714 (s). 1665 (w), 3010 (m Compound D: 885 (s), 1650 (m), 3086 (m Compound E: 967 (s), no absorption 1600-1700, 3040 (m) The alkene structures are given below. Identify each compound. O Previous ve&iw; Soution Check Answer NextExit Hint

Explanation / Answer

A- 2-methyl-2-pentene

B- 4-methyl-1-pentene

C- trans 4- methyl-2-pentene

D- cis 4-methyl-2-pentene

E- 2-methyl-1-pentene

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