- Home
- Standard 11
- Chemistry
p-Block Elements - I
medium
The correct statements among $I$ to $III$ regarding group $13$ element oxides are,
$I$. Boron trioxide is acidic
$II$. Oxides of aluminium and gallium are amphoteric
$III$. Oxides of indium and thallium are basic
A
$I, II$ and $III$
B
$II$ and $III$ only
C
$I$ and $III$ only
D
$I$ and $II$ only
(JEE MAIN-2019)
Solution
$B_2O_3$ is acidic in nature
$Al_2O_3$ and $Ga_2O_3$ are amphoteric
Oxides of $In$ and $Tl$ are basic in nature. Because the metallic character of the elements increases on moving down the group.
Standard 11
Chemistry
