1.

The freezing point of one molal \[NaCl\] solution assuming \[NaCl\] to be 100% dissociated in water is (molal depression constant = 1.86) [CPMT 1985; BHU 1981; MP PMT 1997; UPSEAT 2001]

A. \[-{{1.86}^{o}}C\]
B. \[-{{3.72}^{o}}C\]
C. \[+{{1.86}^{o}}C\]
D. \[+{{3.72}^{o}}C\]
Answer» C. \[+{{1.86}^{o}}C\]


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