Group-$13$ elements react with $O_2$ to form oxides of the type $M_2O_3$ ($M =$ element). Which among the following is the most basic oxide?
- A$Al_2O_3$
- B$Ga_2O_3$
- C$Tl_2O_3$
- D$B_2O_3$
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Similar Questions
Which reactions can be used to prepare diborane?
$I.$ $3NaBH_4 + 4BF_3 \xrightarrow{\text{ether}} 2B_2H_6 + 3NaBF_4$
$II.$ $2NaBH_4 + I_2 \to B_2H_6 + 2NaI + H_2$
$III.$ $2BF_3 + 6NaH \xrightarrow{450 \ K} B_2H_6 + 6NaF$
$I.$ $3NaBH_4 + 4BF_3 \xrightarrow{\text{ether}} 2B_2H_6 + 3NaBF_4$
$II.$ $2NaBH_4 + I_2 \to B_2H_6 + 2NaI + H_2$
$III.$ $2BF_3 + 6NaH \xrightarrow{450 \ K} B_2H_6 + 6NaF$
Medium
View SolutionWhich one of the following statements is correct?
Match the following:
Column $I$ Column $II$ $A$. $Bi^{3+} \longrightarrow (BiO)^{+}$ $P$. Heat $B$. $[AlO_2]^{-} \longrightarrow Al(OH)_3$ $Q$. Hydrolysis $C$. $SiO_4^{4-} \longrightarrow Si_2O_7^{6-}$ $R$. Acidification $D$. $(B_4O_7^{2-}) \longrightarrow [B(OH)_3]$ $S$. Dilution by water
| Column $I$ | Column $II$ |
| $A$. $Bi^{3+} \longrightarrow (BiO)^{+}$ | $P$. Heat |
| $B$. $[AlO_2]^{-} \longrightarrow Al(OH)_3$ | $Q$. Hydrolysis |
| $C$. $SiO_4^{4-} \longrightarrow Si_2O_7^{6-}$ | $R$. Acidification |
| $D$. $(B_4O_7^{2-}) \longrightarrow [B(OH)_3]$ | $S$. Dilution by water |
When borax is dissolved in water,the product formed is
Which metal is protected by a layer of its own oxide?
Easy
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