The stability of $+ 1$ oxidation state among $Al,Ga, In$ and $Tl$ increases in the sequence
$Al < Ga < In < Tl$
$Tl < In < Ga < Al$
$In < Tl < Ga < Al$
$Ga < In < Al < Tl$
A certain salt $X,$ gives the following results.
$(i)$ Its aqueous solution is alkaline to litmus.
$(ii) $ It swells up to a glassy material $Y$ on strong heating.
$(iii)$ When conc. $H _{2} SO _{4}$ is added to a hot solution of $X,$ white crystal of an acid $Z$ separates out.
Write equations for all the above reactions and identify $X, Y$ and $Z$
Which is not true about borax?
$Al_4C_3$ is an ionic carbide, named as
In which of the following reaction, the hybridisation of the central atom changes from $sp^2$ to $sp^3$ ?
Explain atomic radius of elements of boron family.