Aluminium hydroxide is soluble in excess of sodium hydroxide forming the ion
$Al{{(O)}_{2}}^{+3}$
$AlO_2^{ - 3}$
$AlO_2^ - $
$AlO_3^ - $
Which of the following sublimes on heating?
In the electrolytic method of obtaining aluminium from purified bauxite, cryolite is added to the charge in order to
Given below are two statements :
Statement $I$ : Boron is extremely hard indicating its high lattice energy
Statement $II$ : Boron has highest melting and boiling point compared to its other group members.
In the light of the above statements, choose the most appropriate answer from the options given below
Correct Lewis acidity order of $BX_3$ is
Write chemical reaction to prepare inorganic benzene $(B_3N_3H_6)$.