Question

Which of the following does not show similarity between boron and aluminium?

• A. Both form oxides of type $M_{2}O_{3}$ when heated with oxygen at high temperature.
• B. Both dissolve in alkalies and evolve hydrogen.
• C. Hydroxides of both the elements are basic in nature.
• D. Both form nitrides of MN type when heated with $N_{2}$

Answer 1

Answer: (C)

Hydroxides of both the elements are basic in nature.

Answer 2

: $B(OH)_{3}$ Is a weak acid while $Al(OH)_{3}$ is amphoteric in nature.