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 :

A
0.5
B
1
C
2
D
3
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)
A
0.16
B
0.05
C
0.1
D
0.2
3
IIT-JEE 1990
MCQ (Single Correct Answer)
+1
-0.25
The freezing point of equimolal aqueous solutions will be highest for
A
C6H5NH3Cl (aniline hydrochloride)
B
Ca(NO3)2
C
La(NO3)3
D
C6H12O6 (glucose)

JEE Advanced Subjects

Browse all chapters by subject