use IR to show that the oxidation of benzaldehyde to benzoic acid is complete? u

Question

use IR to show that the oxidation of benzaldehyde to benzoic acid is complete? use NMR to show that the oxidation of benzaldehyde to benzoic acid is complete? 1. How could you 2. How could you 4. 5. What oxidation levels does the manganese go through during the reaction? 6. Classify the following transformations as either oxidation or reduction. sons why the reaction solution was acidified with concentrated hydrochloric acid Give two rea a) CH3CH20H CH3CHO b) CH2 CH2 CH3CHa 7. Redox reactions are very important in metabolic pathways. Consider the conversion of malate to oxaloacetate, a step in the citric acid cycle. In this reaction, which species is being oxidized and which is being reduced? ?? NA NADH ?? ?? ?? oxalateacetate malate Ö

Explanation / Answer

1. In Ir spectra of Benzoic acid there is broad peak near 3100 cm-1 ( due to -OH group) is present which is absent in the ir spectra of Benzaldehyde. On the other hand Benzaldehyde has broad near 2825 and 2717 cm-1.

The is broad peak near 3100 cm-1 indicates the oxidation process is complete .

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