MCQ
In the given reaction $[X]$ will be :


- A$C_6H_5-CH_2OH$
- B$C_6H_5COOH$
- C$C_6H_5CONH_2$
- ✓




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Assertion $A$ : Order of acidic nature of the following compounds is $A > B > C$.
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Reason $R$ : Fluoro is a stronger electron withdrawing group than Chloro group.
In the light of the above statements, choose the correct answer from the options given below:

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