Number of ${\mathrm{p}}_{\pi }-{\mathrm{d}}_{\pi }$ bonds in ${\mathrm{SOCl}}_2$ is_____________

 It has ${\mathrm{sp}}^3$geometry due to this all 3p-orbitals involve in sigma bonding therefore both pi bond overlap with d- orbital and have 1${\mathrm{p}}_{\pi }-{\mathrm{d}}_{\pi }$bonds.