Question

Determine the structure of the chemical compound from the proton NMR spectrum

1.9 1.8 1.50 1.7 1.45 1.483 1.6 1.40 (2.473 11,467 -1.461 11.446 1.5 1.435 1.424 1.420 1.4 ppm 21.407 1.3 1.396 21-1.388 1.372 1.359 142.346 1.324 -1.308 -1.303 1.202 1.2 1.1 1.0 -0.951 -0.928 -0.904 0.9 0.8 0.7 Co Higo 0.6 0.5 ppm

Answer 1

Hi as per your provided molecular formula C₆H₁₄O, the unknown is 3-methyl-3-pentanol

triplet at 0.9 ppm indicates -CH₂-CH₃ group is present

1.7 - 1.8 , broad very less intense singlet indicates -OH proton

~ 1.2 ppm, singlet , 4H indicates -CH₂- two times

a multiplet at 1.4 - 1.5 ppm

A - 1.7 ppm, broad singlet B - 1.4 - 1.5 ppm, multiplet C -1.2 ppm, singlet D - 0.9 ppm, triplet

Hope this helped you!

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