The number of neutrons present in the more abundant isotope of boron is $x$. Amorphous boron upon heating with air forms a product,in which the oxidation state of boron is $y$. The value of $x+y$ is ...
- A$4$
- B$6$
- C$3$
- D$9$
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In the following reaction,identify the nature of the product formed by the complete hydrolysis of the underlined atom at $R.T.$
$H_4\underline{B}_2O_5 + H_2O \longrightarrow H_3BO_3$
$H_4\underline{B}_2O_5 + H_2O \longrightarrow H_3BO_3$
Difficult
View SolutionWhich 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 SolutionDiborane reacts with $HCl$ in the presence of $AlCl_3$ and liberates:
DifficultTS EAMCET 2013
View SolutionTwo gases when mixed give white dense fumes,the gases are
Medium
View SolutionWhich hydrated elements of group $13$ are found as polymers in nature?
Easy
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