Chem341:NMR workshop/Exercise 4

This page is to help you to answer Exercise 4 in the Chem 341 NMR Workshop. The guided help is (for the first structure only) below the images.

First structure

You should answer each question correctly before moving onto the next. <quiz> {Question |type="()"} {For the left hand CH₃, how many hydrogens are on the neighboring carbon?|type="()"} + 0 || Correct! Now go on to the next question. - 1 || Wrong! Look again... - 2 || Wrong! Look again... - 3 || Wrong! Look again... - 4 || Wrong! Look again... </quiz> Now apply the n+1 rule from above to calculate the multiplicity, where n = the no. of Hs on neighboring carbons. <quiz> {Question |type="()"} {For the left hand CH₃, what is the multiplicity?|type="()"} + 0 || Wrong! Remember it's n+1 - 1 || Correct! Now go on to the next question. - 2 || Wrong! Remember it's n+1 - 3 || Wrong! Remember it's n+1 - 4 || Wrong! Remember it's n+1

{What do you call a peak with that multiplicity?|type="()"} + singlet || Correct! Now go on to the next question. - doublet || Wrong! Look again... - triplet || Wrong! Look again... - quartet || Wrong! Look again... - multiplet || Wrong! Look again...

{For the CH₂, how many hydrogens are on the neighboring carbon?|type="()"} + 0 || Wrong! Look again... - 1 || Wrong! Look again... - 2 || Wrong! Look again... - 3 || Correct! Now go on to the next question. - 4 || Wrong! Look again... </quiz> Now apply the n+1 rule from above to calculate the multiplicity, where n = the no. of Hs on neighboring carbons. <quiz> {Question |type="()"} {For the CH₂, what is the multiplicity?|type="()"} + 0 || Wrong! Remember it's n+1 - 1 || Wrong! Remember it's n+1 - 2 || Wrong! Remember it's n+1 - 3 || Wrong! Remember it's n+1 - 4 || Correct! Now go on to the next question.

{What do you call a peak with that multiplicity?|type="()"} + singlet || Wrong! Look again... - doublet || Wrong! Look again... - triplet || Wrong! Look again... - quartet || Correct! Now go on to the next question. - multiplet || Wrong! Look again...

{For the right hand CH₃, how many hydrogens are on the neighboring carbon?|type="()"} + 0 || Wrong! Look again... - 1 || Wrong! Look again... - 2 || Correct! Now go on to the next question. - 3 || Wrong! Look again... - 4 || Wrong! Look again... </quiz> Now apply the n+1 rule from above to calculate the multiplicity, where n = the no. of Hs on neighboring carbons. <quiz> {Question |type="()"} {For the right hand CH₃, what is the multiplicity?|type="()"} + 0 || Wrong! Remember it's n+1 - 1 || Wrong! Remember it's n+1 - 2 || Wrong! Remember it's n+1 - 3 || Correct! Now go on to the next question. - 4 || Wrong! Remember it's n+1

{What do you call a peak with that multiplicity?|type="()"} + singlet || Wrong! Look again... - doublet || Wrong! Look again... - triplet || Correct! You successfully analyzed the first structure. - quartet || Wrong! Look again... - multiplet || Wrong! Look again...

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