4
votes
Reactivity in my standard solution of Cu, P, Al, Ca, Fe, K, Mg, Mn, Na and S in 7,8% HNO3 and H2O2
The knowledge of classical chemistry remains important, irrespective of the sophistication of analytical techniques or the cost of the instrumentation. It is important to understand the ...
- 38.4k
2
votes
Intermediates in aqueous bromination of phenol
In a 1922 paper, the intermediate of panel B is shown:
More than a 100 years later, this looks a bit funky.
A more recent paper from 1989 shows a dienone intermediate for the reaction in neutral or ...
- 37.8k
1
vote
Why is sodium zincate two sodium ions and two oxygen ions but only one zinc ion?
The reaction of metallic zinc $\ce{Zn}$ with $\ce{NaOH}$ may happen in the two successive reactions :
Oxidation of $\ce{Zn}$ from $0$ to the usual +$2$ values in a redox reaction due to the extremely ...
- 26.5k
1
vote
What is the free radical mechanism of Ruff's degradation?
Oxidation to the aldonic acid with bromine and water is an ionic redox mechanism.
Then due to the basic conditions from the counter anion of the iron3 salt, the carboxylic acid is deprotonated.
The ...
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