MCQ
Cause of diagonal relationship is
- ASimilar electronic configuration of the elements
- ✓Similar $e/r$ ratio of the elements
- CSame number of valency electrons in the elements
- DSame atomic weights of the elements
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.



$(A)$ the reaction of $Al _2 O _3$ with coke ($C$) at a temperature $>2500^{\circ} C$.
$(B)$ the neutralization of aluminate solution by passing $CO _2$ gas to precipitate hydrated alumina $\left( Al _2 O _3 .3 H _2 O \right)$
$(C)$ the dissolution of $Al _2 O _3$ in hot aqueous $NaOH$.
$(D)$ the electrolysis of $Al _2 O _3$ mixed with $Na _3 AlF _6$ to give $Al$ and $CO _2$.
