Diagonal Relationship Between Beryllium and Aluminium MCQ - Practice Questions with Answers

Na

K
 

Al

Mg

Lithium
 

Carbon
 

Beryllium 

Boron

They have strong tendencies to form complexes

They form oxide layer which prevents further oxidation

They form chlorine-bridged structure in vapor phase

 All of the above.

BeO and $\mathrm{Al}_2 \mathrm{O}_3$ are amphoteric in nature.

$\mathrm{Al}_4 \mathrm{C}_3$ and $\mathrm{Be}_2 \mathrm{C}$ give same gas on hydrolysis.

Both can from complexes with same maximum co-ordination.

Both form electron deficient and covalent hydride.

BeO and $\mathrm{Al}_2 \mathrm{O}_3$ are amphoteric in nature.

$\mathrm{Al}_4 \mathrm{C}_3$ and $\mathrm{Be}_2 \mathrm{C}$ give same gas on hydrolysis.

Both can from complexes with same maximum co-ordination.

Both form electron deficient and covalent hydride.

Their oxides are soluble in alkali solution forming $\left[\mathrm{Be}(\mathrm{OH})_2\right]$

They form complex anion  BeF₂ and AlF₃

BeCl and AlCl₃ are Lewis acid.

Oxides are basic

BeCl and AlCl

BeO and  Al₂O₃

BeSO and Al(SO)

Be(NO) and Al(NO) 

Both BeO and Al2O are amphoteric in nature.

Both beryllium and aluminum from polymetric covalent hydrades.

Both beryllium and aluminium from nitrides with nitrogen which evolve NH3 with water.

Both metal carbonates are highly stable.