Identify the C-H bonding frequency with the highest wavenumber. 6. The more s th

Question

Identify the C-H bonding frequency with the highest wavenumber. 6. The more s the Stran character, the band Sp? absorbs at 2800 3ooo b) sp c) sp3 Spt absorbs at 3ooo 3100 cm d) sp SP absorbs at a 3300 cm 7. What compound has a formula ofCsHa and a peak at 3300 cm i? stretch of terminal a) Alkane b) Alkene CH2 c) Internal alkyne ne is at Terminal alkyne H3C CH2 3300 cm 8. What compound has a formula ofcsH12oand a peak at 3300 cm i? a) Ether b) Alcohol c) Aldehyde d) Ketone 9. What compound has a formula ofcoHasN and two peaks at 3300 cmi? a) 10 amide b) 20 amide c) 30 amide 1° amine e) 20 amine 3° amine 10. What compound has a formula of CisH100 and peaks at 1710, 2700, and 2800 cm a) Ketone b) Aldehyde c) Ester d) Carboxylic acid 11. What compound has a formula of csH1002, peak at 1715, and a broad peak at 3000 cm 1? a) Aldehyde b) Ketone c) Carboxylic acid d) Ester

Explanation / Answer

Q6.

C-H bond frequency with th ehighest wavenumber

Will be typically triple bond, which has sp hybridization

Q7

if 3300 peak, it must have at least a triple bond, also, it will be terminal i.e. C-H

Q8

The compound with broad peaks at 3300 will be an aLCOHOL

Q9

for a3300, this is most likely an Nitrogen contianig compouind

this is most likely a secondary amines

Q10

For 1710 peak -- C=O

for 2700 --> aldehyde for sure

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