Chemistry · 2019
JEE Main · 9 April 2019, Shift 2 · Q46
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…
The correct statements among I to III regarding group $\displaystyle 13$ element oxides are,
(I)
Boron trioxide is acidic.
(II)
Oxides of aluminium and gallium are amphoteric.
(III)
Oxides of indium and thallium are basic.
Official answer
(4)
(I) , (II) and (III)
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JEE Main 2019 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.