1
IIT-JEE 2007 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
When 20 g of naphthoic acid (C$$_{11}$$H$$_{8}$$O$$_{2}$$) is dissolved in 50 g of benzene in 50 g of benzene (K$$_f$$ = 1.72 K kg mol$$^{-1}$$), a freezing point depression of 2 K is observed. The van't Hoff factor (i) is :
2
IIT-JEE 2005 Screening
MCQ (Single Correct Answer)
+1
-0.25
The elevation in boiling point of a solution of 13.44 g of CuCl2 in 1kg of water using the following information will be (Molecular weight of CuCl2 = 134.4 and Kb = 0.52 K molal-1)
3
IIT-JEE 1990
MCQ (Single Correct Answer)
+1
-0.25
The freezing point of equimolal aqueous solutions will be highest for
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