1) Refer to the posted IR spectra of pure dibenzalacetone andidentify the C=O and C=C stretching bands...
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1) Refer to the posted IR spectra of pure dibenzalacetone andidentify the C=O and C=C stretching bands of dibenzalacetone (givethe frequencies)
2) An IR spectrum of a student dibenzalacetone product will beposted, compare it to the pure dibenzalacetone, acetone andbenzaldehyde spectra and comment on
(i) whether it shows product
(ii) whether it is pure product or contaminated withreactants.
3) Why does the dibenzalacetone C=O stretching vibration occurat a lower frequency than the 1720 cm-1 ketone C=O peakin acetone?
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