Precipitation of Al3+ (aq) as Al(OH)3 by CO2 shows that : | CHEMISTRY - USES OF BORON AND ALUMINIUM AND THEIR COMPOUNDS | SolveeIt | Solveeit

Today, August 19

Question

Precipitation of Al3+ (aq) as Al(OH)3 by CO2 shows that :

A

The acidic property is very weak

B

The acidic property is very strong

C

The basic property is very strong

D

The basic property is very weak

Answer

The acidic property is very weak

Explanation

Solution

CO2 + H2O $\rightleftharpoons$ CO32– + 2H+

2Al3+ + 3CO32– + 3H2O $\longrightarrow$ 2Al(OH)3 + 3CO2