Important Compounds of Group 13 Elements

The compound(s) which react(s) with ${\mathrm{NH}}_3$ to give boron nitride $\left(\mathrm{BN}\right)$ is(are)

Which of the following statement is not correct about diborane?

The banana bond in diborane is formed by

The bonding in diborane can be described by:

Explain the structure of diborane.

${\mathrm{BF}}_3$ is planar and electron deficient compound. Hybridization and number of electrons around the central atom, respectively are:

In the compound ${\mathrm{Na}}_2\left[{\mathrm{B}}_4{\mathrm{O}}_5(\mathrm{OH}{)}_4\right]·8{\mathrm{H}}_2\mathrm{O},$ if the

(i) number of $\mathrm{B}-\mathrm{O}-\mathrm{B}$ bonds are $\mathrm{x}$

(ii) number of $\mathrm{B}-\mathrm{B}$ bonds are $\mathrm{y}$

(iii) number of ${\mathrm{sp}}^2$ hybridized $\mathrm{B}$ atoms are $\mathrm{z}$

Calculate the value of $\mathrm{x}+\mathrm{y}+\mathrm{z}$.

How many number of the following substances contains hexagonal planar rings in their structures?

Graphite, $(\mathrm{BN}{)}_{\mathrm{x}}, {\mathrm{B}}_3{\mathrm{N}}_3{\mathrm{H}}_6, {\mathrm{C}}_6{\mathrm{H}}_6$, ${\mathrm{B}}_2{\mathrm{H}}_6, {\mathrm{H}}_3{\mathrm{P}}_3{\mathrm{O}}_9$

An aqueous solution of borax is basic.

List the uses of aluminium and its compounds.

Which of the following metals is used in aircraft construction?

List the uses of aluminium and its compounds.

Two moles of sodium borohydride is treated with two moles of orthophosphoric acid. The total number of moles of gaseous products formed in the reaction is:

What is the formula of colemanite?

The tendency of $\mathrm{X}$ in ${\mathrm{BX}}_3 \left(\mathrm{X}=\mathrm{F}, \mathrm{Cl}, \mathrm{OMe}, {\mathrm{NMe}}_2\right)$ to form a $\pi$-bond with boron follows the order