The correct option is
D No
CaCl2+Na2SO4⟶CaSO4+2NaClMillimoles added 0.02 V 0.0004 x V 0 0Suppose V mL of both are mixed,∴[Ca2+]=0.02V2V and [SO2−4]=0.0004V2V
∴[Ca2+][SO2−4]=0.02V2V×0.0004V2V=2×10−6
Thus, [Ca2+][SO2−4] in solution <Ksp
So, precipitate will not form.