Which of the following wavenumber corresponds to the fingerprint region on an IR spectrum? 1500 à "4000 cm-1 400 á 4000 cm-1 O 400 a 1500 cm-1 2100 å"2300 cm-1 1600 a" 1850 cm-1

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Chapter1: Chemical Foundations
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QUESTION 23
Which of the following wavenumber corresponds to the fingerprint region on an IR spectrum?
O 1500 â" 4000 cm-1
O 400 á" 4000 cm-1
O 400 å" 1500 cm-1
O 2100 å" 2300 cm-1
1600 å" 1850 cm-1
QUESTION 24
Which of the following compounds will show two sharp absorptions, one at 3300 cm-1 and one at 2150 cm-1?
C=N
II
IV
O none of these
0000
Transcribed Image Text:QUESTION 23 Which of the following wavenumber corresponds to the fingerprint region on an IR spectrum? O 1500 â" 4000 cm-1 O 400 á" 4000 cm-1 O 400 å" 1500 cm-1 O 2100 å" 2300 cm-1 1600 å" 1850 cm-1 QUESTION 24 Which of the following compounds will show two sharp absorptions, one at 3300 cm-1 and one at 2150 cm-1? C=N II IV O none of these 0000
QUESTION 22
Identify the sequence of curved arrows (electron movement) in the steps of the following reaction.
H.
:B
OH
H
O proton transfer, proton transfer
KO proton transfer, loss of leaving group
O nucleophilic attack, proton transfer
KD proton transfer, nucleophilic attack
QUESTION 23
Which of the following wavenumber corresponds to the fingerprint region on an IR spectrum?
KD 1500 å " 4000 cm-1
O 400 å " 4000 cm-1
400 á" 1500 cm-1
Transcribed Image Text:QUESTION 22 Identify the sequence of curved arrows (electron movement) in the steps of the following reaction. H. :B OH H O proton transfer, proton transfer KO proton transfer, loss of leaving group O nucleophilic attack, proton transfer KD proton transfer, nucleophilic attack QUESTION 23 Which of the following wavenumber corresponds to the fingerprint region on an IR spectrum? KD 1500 å " 4000 cm-1 O 400 å " 4000 cm-1 400 á" 1500 cm-1
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