Which one of the following has minimum freezing point ?

Question

Which one of the following has minimum freezing point ? (A) 0.1 M NH4Cl (B) 0.1 M BaSO4 (C) 0.1 M Al2(SO4)3 (D) 0.1 M K2Cr2O7

Tardigrade Admin · Accepted Answer

Depression in freezing point propto no. of particles in the solution beginmatrix&NH4Cl&BaSO4&K2Cr2O7&Al2(SO4)3 textNo. of particles&2&2&3&5 endmatrix The depression in freezing points (Δ Tf) will be in the order; NH4Cl = BaSO4 < K2Cr2O7 < Al2(SO4)3 Thus, Al2(SO4)3 will have maximum depression in freezing point i.e., its actual freezing point will be minimum.

Q. Which one of the following has minimum freezing point ?

$0.1 M N H_{4} Cl$

$0.1 M B a S O_{4}$

$0.1 M A l_{2} (S O_{4})_{3}$

$0.1 M K_{2} C r_{2} O_{7}$

Q. Which one of the following has minimum freezing point ?

0.1MNH4​Cl

0.1MBaSO4​

0.1MAl2​(SO4​)3​

0.1MK2​Cr2​O7​

$0.1 M N H_{4} Cl$

$0.1 M B a S O_{4}$

$0.1 M A l_{2} (S O_{4})_{3}$

$0.1 M K_{2} C r_{2} O_{7}$