Give industrial preparation for diborane.
$2 \mathrm{BF}_{3}+6 \mathrm{NaH} \stackrel{450 \mathrm{~K}}{\longrightarrow} \mathrm{B}_{2} \mathrm{H}_{6}+6 \mathrm{NaF}$
Assertion : Atomic radius of gallium is higher than that of aluminium
Reason : The presence of additional $d-$ electron offer poor screening effect for the outer electrons from increased nuclear charge.
Carbongene has $X\%$ of $CO_2$ and is used as an antidote for poisoning of $Y.$ Then, $X$ and $Y$ are
Which of the following statements about the interstitial compounds is incorrect?
Aluminium chloride exists as dimer, $A{l_2}C{l_6}$ in solid state as well as in solution of non-polar solvents such as benzene. When dissolved in water, it gives
Which of the following properties describes the diagooal relalionship between boron and silicon?
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