The liquefied metal which expands on solidification is
$Ga$
$Al$
$Zn$
$In$
The tendency of $BF_3, BCl_3$ and $BBr_3$ to behave as Lewis acid decreases in the sequence
What happens when...
$(a)$ Borax is heated strongly,
$(b)$ Boric acid is added to water,
$(c)$ Aluminium is treated with dilute $NaOH,$
$(d) $ $B F_3$ is reacted with ammonia ?
Which of the following compounds of boron does not exist in the free form
Boric acid is polymeric due to
Boric acid is an acid because its molecule