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? 5 4 3 2 1 How many proton NMR singlets will 2-bromo-3-methyl2-butene exhibit? 1 2 3 4 5 Determine the number of signals for lamina in the^1H NMR spectrum. 2 3 4 5 6 Determine the number of signals for -methyl-1-propylbenzene 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 downfield)? 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 methyl groups will exhibit the most downfield (highest chemical shift in^1H NMR spectroscopy? I II III IV V

Explanation / Answer

Q.12 Ans E.one signal

Q,13 Ans C. Three singlet for three different methy group

Q.14 Ans D.five signals

Q,15 Ans. C.six signal

Q.16 Ans .A.first carbon proton

Q.17,Ans.C.third carbon proton

Q.18,Ans .C.third carbon proton have highest chemical shift

Q.19,Ans.B.methanol carbon proton.

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