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Question

Chemistry Question on p -Block Elements

Amphoteric oxide among the following is -

A

\ceB2O3\ce{B_2 O_3}

B

\ceGa2O3\ce{Ga_2 O_3}

C

\ceIn2O3\ce{In_2 O_3}

D

\ceTl2O3\ce{Tl_2 O_3}

Answer

\ceGa2O3\ce{Ga_2 O_3}

Explanation

Solution

Down the group basic character of oxides increases. B2O3 {B2O3 }- Acidc Al2O3 {Al2O3} - Amphoteric Ga2O3 {Ga_2 O_3} - Amphoteric In2O3 {In_2 O_3} - Basic Tl2O3 {Tl_2 O_3} - Basic