1

IIT-JEE 2011 Paper 1 Offline

MCQ (Single Correct Answer)
Dissolving 120 g of urea (mol. wt. 60) in 1000 g of water gave a solution of density 1.15 g/mL. The molarity of the solution is
A
1.78 M
B
2.00 M
C
2.05 M
D
2.22 M
2

IIT-JEE 2007

MCQ (Single Correct Answer)
Consider a titration of potassium dichromate solution with acidified Mohr’s salt solution using diphenylamine as indicator. The number of moles of Mohr’s salt required per mole of dichromate is
A
3
B
4
C
5
D
6
3

IIT-JEE 2004 Screening

MCQ (Single Correct Answer)
The pair of compounds having metals in their highest oxidation state is
A
MnO2, FeCl3
B
[MnO4]-, CrO2Cl
C
[Fe(CN)6]3-, [Co(CN)3]
D
[NiCl4]2- , [CoCl4]-
4

IIT-JEE 2003 Screening

MCQ (Single Correct Answer)
Mixture X = 0.02 mol of [Co(NH3)5SO4]Br and 0.02 mol of [Co(NH3)5Br]SO4 was prepared in 2 litre of solution.
1 litre of mixture X + excess AgNO3 $$ \to $$ Y.
1 litre of mixture X + excess BaCl2 $$ \to $$ Z
No. of moles of Y and Z are
A
0.01, 0.01
B
0.02, 0.01
C
0.01, 0.02
D
0.02, 0.02

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