Which one of the following statements is not correct?
- AMoissan boron is amorphous
- BThe reaction between boron and concentrated $HNO_3$ gives $N_2 O$
- CAmorphous boron on heating with oxygen forms $B_2 O_3$
- DBoron is a non-conductor of electricity
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Similar Questions
In group $13$ of the long form of the periodic table,an element $X$ has a boiling point of $T_2 \ (K)$ and a melting point of $T_1 \ (K)$. Identify the element $X$ for which $T_2 - T_1 \ (K)$ is maximum.
Which of the following compounds exhibits acidic nature?
Medium
View SolutionIn the borax bead test,which of the following compounds is formed?
MediumAIPMT 2002
View SolutionMatch the following reactions in Column-$1$ with their main products in Column-$2$.
Column-$1$ (Reaction) Column-$2$ (Main product) $A$. $B_2H_6 + 2CO \longrightarrow$ $I$. $B_2O_3$ $B$. $B_2H_6 + 3O_2 \longrightarrow$ $II$. $2BH_3 \cdot CO$ $C$. $B_2H_6 + 6H_2O \longrightarrow$ $III$. $2H_3BO_3$
The correct match is:
| Column-$1$ (Reaction) | Column-$2$ (Main product) |
|---|---|
| $A$. $B_2H_6 + 2CO \longrightarrow$ | $I$. $B_2O_3$ |
| $B$. $B_2H_6 + 3O_2 \longrightarrow$ | $II$. $2BH_3 \cdot CO$ |
| $C$. $B_2H_6 + 6H_2O \longrightarrow$ | $III$. $2H_3BO_3$ |
The correct match is:
DifficultTS EAMCET 2021
View SolutionWhich of the following is the strongest Lewis acid?
Easy
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