1:15 The y-axis doesn't show absorption. On the contrary, it shows transmittance. So it is not the highest absorbance at 2000 wave number as you show there.
In the infrared (IR) spectrum, the O-H (oxygen-hydrogen) stretching vibrations for alcohols generally appear as a sharp peak around 3100 cm^-1. For acids, particularly carboxylic acids like acetic acid (CH3COOH), the O-H stretching vibration produces a broad peak around 3000-3300 cm^-1. So, for differentiation: - Alcohols: Look for a sharp peak around 3100 cm^-1. - Acids (e.g., carboxylic acids): Look for a broad peak around 3000-3300 cm^-1.
This is very enlightening, thank u!
Glad it was helpful!
1:15 The y-axis doesn't show absorption. On the contrary, it shows transmittance. So it is not the highest absorbance at 2000 wave number as you show there.
Can you make a video on how to read NMR specturm graph.....thanks 😊
Soon
Very informative
Well put video
I just don't understand why some are steep and tapering down?!
Sir at 3:38 the peak is for Acids that contains OH group not for alcohols?
In the infrared (IR) spectrum, the O-H (oxygen-hydrogen) stretching vibrations for alcohols generally appear as a sharp peak around 3100 cm^-1. For acids, particularly carboxylic acids like acetic acid (CH3COOH), the O-H stretching vibration produces a broad peak around 3000-3300 cm^-1.
So, for differentiation:
- Alcohols: Look for a sharp peak around 3100 cm^-1.
- Acids (e.g., carboxylic acids): Look for a broad peak around 3000-3300 cm^-1.
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