Question

Which of the following does not show diagonal relationship between beryllium and aluminium ?

• A. Both $BeO$ and $Al_2O_3$ are amphoteric in nature
• B. Both beryllium and aluminium form polymeric covalent hydrides
• C. Both beryllium and aluminium form nitrides with nitrogen which evolve $NH_3$ with water
• D. Both metal carbonates are highly stable

Answer 1

Answer: (D)

Both metal carbonates are highly stable

Answer 2

The carbonates of both the metals are unstable.