following nmr spectrum represents which of the following compounds? The CH3, CH2

Question

following nmr spectrum represents which of the following compounds? The CH3, CH2-OH 0b) CH3 CH2-NH2 CH3-CH-OH CHy CH-ÇH- CH3 59. Which of the following compounds will show the greatest downfield shift for the methyl absorption in PMR? (a) CH CH3 CH3 CH3 NH2 CE N ?? N02 60. What is the major product obtained from the following reaction? NaOH CH3-C-CH2" CH2" CH3- heat 0b) H-C-I+ HO-C-CH2 CH2 CH3 CH3-C-OH + H-C-CH2 CH3 CH3-C-CH-CH2" CH3 I-CH2-C-CH2-CH2 CH3 61. Which compound will react most readily in a SNI reaction? B H CI ? ? ? ? H CH3 H CH-BrH CH H CH2-CI

Explanation / Answer

58. Option A, ethanol since it has broad singlet at 4.1 for OH proton and a quartet at 3.70 is due to CH2 Protons and triplet at 1.10 is due to CH3 protons.

59. Option A, since it it has strong EWG (NO2) at meta position to CH3.

60. Option B, an example for iodoform reaction

61. Option C, since it is allylic bromide and forms more stable allylic cation and Br is good leaving group than Cl.

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