Draw the structure of diborene $(B_2H_4)$.
(N/A) The structure of diborene $(B_2H_4)$ is analogous to ethene $(C_2H_4)$.
It consists of two boron atoms bonded to each other with a $B-B$ bond length of $134 \text{ pm}$.
Each boron atom is further bonded to two terminal hydrogen atoms with a $B-H$ bond length of $119 \text{ pm}$.
The $H-B-H$ bond angle is approximately $120^{\circ}$, and the $B-B-H$ bond angle is approximately $97^{\circ}$.
The structure is planar, similar to ethene, where the boron atoms are $sp^2$ hybridized.
It consists of two boron atoms bonded to each other with a $B-B$ bond length of $134 \text{ pm}$.
Each boron atom is further bonded to two terminal hydrogen atoms with a $B-H$ bond length of $119 \text{ pm}$.
The $H-B-H$ bond angle is approximately $120^{\circ}$, and the $B-B-H$ bond angle is approximately $97^{\circ}$.
The structure is planar, similar to ethene, where the boron atoms are $sp^2$ hybridized.
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View SolutionMatch Column-$I$ with Column-$II$ :
Column-$I$ Column-$II$ $A$. $Bi^{+3} \to (BiO)^{+}$ $P$. Heat $B$. $[AlO_2]^{-} \to Al(OH)_3$ $Q$. Hydrolysis $C$. $SiO_4^{-4} \to Si_2O_7^{-6}$ $R$. Acidification $D$. $(B_4O_7)^{-2} \to [B(OH)_3]$ $S$. Dilution with water
| Column-$I$ | Column-$II$ |
| $A$. $Bi^{+3} \to (BiO)^{+}$ | $P$. Heat |
| $B$. $[AlO_2]^{-} \to Al(OH)_3$ | $Q$. Hydrolysis |
| $C$. $SiO_4^{-4} \to Si_2O_7^{-6}$ | $R$. Acidification |
| $D$. $(B_4O_7)^{-2} \to [B(OH)_3]$ | $S$. Dilution with water |
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View SolutionWhich of the following oxides is amphoteric in nature?
In the following sets of reactants,which two sets best exhibit the amphoteric character of $Al_2O_3 \cdot xH_2O$?
Set $1$: $Al_2O_3 \cdot xH_2O_{(s)}$ and $OH^{-}_{(aq)}$
Set $2$: $Al_2O_3 \cdot xH_2O_{(s)}$ and $H_2O_{(l)}$
Set $3$: $Al_2O_3 \cdot xH_2O_{(s)}$ and $H^{+}_{(aq)}$
Set $4$: $Al_2O_3 \cdot xH_2O_{(s)}$ and $NH_{3(aq)}$
Set $1$: $Al_2O_3 \cdot xH_2O_{(s)}$ and $OH^{-}_{(aq)}$
Set $2$: $Al_2O_3 \cdot xH_2O_{(s)}$ and $H_2O_{(l)}$
Set $3$: $Al_2O_3 \cdot xH_2O_{(s)}$ and $H^{+}_{(aq)}$
Set $4$: $Al_2O_3 \cdot xH_2O_{(s)}$ and $NH_{3(aq)}$
DifficultJEE MAIN 2014
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