Use UV-vis; the product would show an absorbance at a longer lambda max from tha
ID: 892218 • Letter: U
Question
Use UV-vis; the product would show an absorbance at a longer lambda max from that of the starting material. Use UV-vis; the product would show an absorbance at a shorter lambda max from that of the starting material. UV-vis will not be useful as no distinct change in lambda max would occur. Use IR; the starting material has a strong broad peak at 3000-3300 cm^-1, but the product does not. Use IR; the product has a strong broad peak at 3000-3300 cm^-1, but the starting material does not. Use IR; the starting material has a sharp narrow peak at 1700 cm^-1, but the product does not. Use IR; the product has a sharp narrow peak at 1700 cm^-1, but the starting material does not. IR will not be useful as no detectable change in the Spectrum will occur.Explanation / Answer
The product would show an abosorbance at a longer wavelength from that of the starting material due to presence of chromophore group(CO) in the product.
UV-vis will not be useful as no change in wavelength would occur.
The product has a strong broad peak at 3000-3300 cm^-1 dur to hydrogen bond in the product, but the starting material does not.
The product has a carboxyl acid group, so product has strong peak at 1700 cm6-1but the starting material does not.
Here, the correct options are 1 ,3, 5, and 7 .
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