QUES 26:
THE NUMBER OF 13C NMR SIGNALS IN THE COMPOUND IS 5
THERE ARE 5 DIFFERENT TYPES OF CARBONS IN THE COMPOUND.
QUES27:
during elution in the column chromatography the component with greatest affinity with the eluent elutes first.
hence option a is the correct that is components with greater affinity elutes first.
Question 26 For the following compound how many different signals would you see in the carbon...
Testbank Question 16 For the following compound how many different signals would you see in the proton NMR? (Assume that you can see them all.) O 6 7 0 5
50. For the following compound how many different signals would you see in the proton NMR? (Assume that you can see them all.) A) 4 B) 5 C) 6 D) 7 E) 8 . An organic compound absorbs strongly in the IR at 1687 em. Its 'H NMR spectrum consists of two signals, a singlet at 2.1 ppm and a multiplet centered at 7.1 ppm. Its mass spectrum shows significant peaks at m/z 120, m/z 105 and m/z 77. This...
estion # 6 For the following compound how many different signals would you see in the proton NMR? (Enter answer as a number or as exponential form. Example: 0.001 or 1.3e-3 or 1.3E-3 (DO NOT type 1.3x10 %) Question #7 What is the major product for the following reaction? Cl2, H2O + enantiomer OD E. More than one of the above
3. For the compound dimedone, how many different signals would you see in the proton NMR? (Assume that you can see them all.) A) 2 в) з c) 4 D) 5 E) None of these choices.
Question 13 5 pts How many signals would you expect to see in the 'C NMR spectrum of the following compound? осн, OCH, 3 4 Question 19 Predict the number of signals in the 13C NMR spectrum for the following structure. 5 8 7
How many signals would you expect to see in the H NMR spectrum of the following compound?
Question 4 1 pts If you had the compound 3-bromopentane, how many signals would you expect to see in the TH- NMR? more than 5 3 1 2 5
How many signals would you expect to see in the 1H NMR spectrum of the following compound? CH3CH2CHCH: CI OOOO
How many signals would you expect to see in the 'H NMR spectrum of the following compound? CH2CH2CH2CH3 © 2 0 1 03 6 4
Question 5 1 pts Jf you had the compound 1-butene, how many signals would you expect to see in the 13C-NMR spectrum? more than 6