MCQ
when $(P)$ undergoes Hoffmann exhaustive methylation (twice) then the product obtained will be


- ✓

- B

- C

- D








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$\frac{2}{3} Al_2O_3 \rightarrow \frac{4}{3} Al + O_2,\,$ $\Delta G = +966\,kJ\,mol$
The potential difference needed for electrolytic reduction of $Al_2O_3$ at $500^o C$ is at least ...... $V$.