identify-the-nmr-spectrum-for-ethyl-isobutyrate-from-the-options-below-and-ident

Question

Identify the NMR spectrum for ethyl isobutyrate from the options below and identify the two main peaks that make it different from the spectrum of isopropyl propionate.

Accepted Answer

Spectrum c), Two peaks that makes it different from the spectrum of isopropyl propionate are at 2.7 and 4.1 ppm.

NMR spectrum of isopropyl propionate with peaks at 2.7 and 4.1 ppm.

Answer

Spectrum a), Two peaks that makes it different from the spectrum of isopropyl propionate are at 1.8 and 3.7 ppm.

NMR spectrum of ethyl isobutyrate showing peaks at 1.8 and 3.7 ppm.

Answer

Spectrum b), Two peaks that makes it different from the spectrum of isopropyl propionate are at 1.3 and 1.7 ppm.

NMR spectrum of isopropyl propionate with peaks at 1.3 and 1.7 ppm.

Answer

Spectrum d), Two peaks that makes it different from the spectrum of isopropyl propionate are at 1.1 and 1.3 ppm.

NMR spectrum of isopropyl propionate with peaks at 1.1 and 1.3 ppm.

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Identify the NMR spectrum for ethyl isobutyrate from the options below and identify the two main peaks that make it different from the spectrum of isopropyl propionate.