Question

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

• A. Both BeO and $Al_{2}O_{3}$ 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.