Group 13

Which of these statements is not true ?

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

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