p-Block Elements

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

The nitrogen oxide(s) that contain(s) N-N bond(s) is(are)

Match each of the reactions given in Column I with the corresponding product(s) given in Column II.

The coordination number of Al in the crystalline state of $\ce{AlCl3}$ is

Aqueous solution of $\ce{Na2S2O3}$ on reaction with $\ce{Cl2}$ gives

STATEMENT-1: $\ce{Pb^{4+}}$ compounds are stronger oxidizing agents than $\ce{Sn^{4+}}$ compounds.

and

STATEMENT-2: The higher oxidation states for the group 14 elements are more stable for the heavier members of the group due to 'inert pair effect'.

Among the following, the correct statement is

Among the following, the correct statement is

White phosphorus on reaction with NaOH gives $\ce{PH3}$ as one of the products. This is a

Among the following, the paramagnetic compound is

The percentage of p-character in the orbitals forming P-P bonds in $\ce{P4}$ is

STATEMENT-1: Boron always forms covalent bond.

because

STATEMENT-2: The small size of $\ce{B^{3+}}$ favours formation of covalent bond.

STATEMENT-1: In water, orthoboric acid behaves as a weak monobasic acid.

because

STATEMENT-2: In water, orthoboric acid acts as a proton donor.

Argon is used in arc welding because of its

The structure of $\ce{XeO3}$ is

$\ce{XeF4}$ and $\ce{XeF6}$ are expected to be