Choose incorrect statement:

${\text{BeCO}}_{\text{3}}$  is kept in the atmosphere of ${\text{CO}}_{\text{2}}$  since, it is least thermally stable

Be dissolve in alkali forming ${\left[\text{Be}{\left(\text{OH}\right)}_4\right]}^{2-}$

${\text{BeF}}_{\text{2}}$  forms complex ion with NaF in which Be goes with cation

${\text{BeF}}_{\text{2}}$  forms complex ion with NaF in which Be goes with anion.