The correct statements among the following is /are

Options

1. AWhen equal volumes of a solution containing Sr ²⁺ ( 0.01 M ) and another containing F ⁻(0.001 M ) are mixed at
2. BWhen equal volumes of a solution containing Ba ²⁺ (1.0 10⁻⁴ M ) and another containing F ⁻ (1.0 10⁻² M ) are m
3. CThe solubility product ( K _ sp ) and the molar solubility ( s ) of La ( IO ₃ )₃ are related as K _ sp =27 ~s
4. DThe solubility product and the molar solubility of Ca ₃ ( PO ₄ )₂ are related as 27 ~s ^4