Aluminium hydroxide is soluble in excess of sodium hydroxide forming the ion
$Al{{(O)}_{2}}^{+3}$
$AlO_2^{ - 3}$
$AlO_2^ - $
$AlO_3^ - $
White fumes appear around the bottle of anhydrous aluminium chloride. Give reason.
Write chemical reaction of $Al$ with aqueous alkali.
Which of the following is a non-metal
$B{X_3} + N{H_3}\ \xrightarrow {R.T}\ B{X_3}.N{H_3} +$ Heat of adduct formation $\left( {\Delta H} \right)$ The numerical value of $\Delta H$ is found to be maximum for
Dilute aqueous solution of ........ acid is used as antibiotic.