How many signals would you expect to see in the^1H NMR spectrum of the following

Question

How many signals would you expect to see in the^1H NMR spectrum of the following compound? CICH_2CH_2CI 5 4 3 2 1 How many proton NMR singlets will 2-bromo-3-methy1-2-butene exhibit? 1 2 3 4 3 Determine the number of signals for isopentylamine in the^1H NMR spectrum 2 3 4 5 6 Determine the number of signals for 4-methy1-1-propylbcnzenc in the^1H NMR spectrum. 4 5 6 7 8 Which of the following protons gives an NMR signal with the highest chemical shift value (farthest down field)? 1 2 3 4 5 Which of the following protons gives an NMR signal with the lowest chemical shift value (farthest upfield)? 1 2 3 4 5 Which of the following protons gives an NMR signal with the highest chemical shift value (farthest downfield)? 1 2 3 4 5 Which of the following methy1 groups will exhibit the most downfield (highest) chemical shift in^1H NMR spectroscopy? I II III IV V

Explanation / Answer

Q12.

ClCh2CH2Cl..

Note that all of them are symmetrical, since each of them experience this:

Hydrogen --> has a Chlorine atom to one side, the other side is Hydrogen, and it is bonded to CArbon... therefore choose only 1

Q13

expect 3 NMR signals

Since there are 3 different environments in each methyl branch

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