Boranes

The compound(s) which react(s) with $\ce{NH3}$ to give boron nitride (BN) is(are)

Identify the correct statement for $\mathrm{B_2H_6}$ from those given below.

(A) In $\mathrm{B_2H_6}$, all B-H bonds are equivalent.

(B) In $\mathrm{B_2H_6}$, there are four 3-centre-2-electron bonds.

(C) $\mathrm{B_2H_6}$ is a Lewis acid.

(D) $\mathrm{B_2H_6}$ can be synthesized from both $\mathrm{BF_3}$ and $\mathrm{NaBH_4}$.

(E) $\mathrm{B_2H_6}$ is a planar molecule.

Choose the most appropriate answer from the options given below :

The geometry around boron in the product 'B' formed from the following reaction is

$$\mathrm{BF_3+NaH\xrightarrow{450\ K}A+NaF}$$
$$\mathrm{A+NMe_3\rightarrow B}$$

Borazine, also known as inorganic benzene, can be prepared by the reaction of 3-equivalents of "X" with 6-equivalents of "Y". "X" and "Y", respectively are :

Among the following, the correct statement(s) is(are)

Identify the reaction which does not liberate hydrogen :

Three moles of $\ce{B2H6}$ are completely reacted with methanol. The number of moles of boron containing product formed is

In the reaction
$$\ce{2X + B2H6 -> [BH2(X)2]+ [BH4]-}$$
the amine(s) X is(are)