1H NMR: Spin-Splitting Patterns Video Lessons

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Problem: Which of the following answer choices below indicate the multiplicities for hydrogens on C1, C3, and C4 of butanone in its 1H NMR spectrum. As a bonus, draw out the molecule and indicate the integration (1H, 2H, 3H, etc.) next to each carbon.   a) Hs on C1, singlet; Hs on C3, doublet; Hs on C4, triplet. b) Hs on C1, singlet; Hs on C3, triplet; Hs on C4, quartet. c) Hs on C1, singlet; Hs on C3, quartet; Hs on C4, triplet. d) Hs on C1, triplet; Hs on C3, doublet; Hs on C4, triplet.

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Which of the following answer choices below indicate the multiplicities for hydrogens on C1, C3, and C4 of butanone in its 1H NMR spectrum. As a bonus, draw out the molecule and indicate the integration (1H, 2H, 3H, etc.) next to each carbon.

a) Hs on C1, singlet; Hs on C3, doublet; Hs on C4, triplet.

b) Hs on C1, singlet; Hs on C3, triplet; Hs on C4, quartet.

c) Hs on C1, singlet; Hs on C3, quartet; Hs on C4, triplet.

d) Hs on C1, triplet; Hs on C3, doublet; Hs on C4, triplet.

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