Q.4 Equal volumes of 1.0M KCl (aq) and 1.0M AgNO3 (aq) solutions are mixed. The depression of freezing point of the resulting solution (with respect to water) will be (assume Kf for water = 1.86Kkg mol????1 and Molarity  Molality) (A) 1.86K (B) 3.72K (C) 0.93K (D) 7.44K