April 10, 2011

FIITJEE Solutions to IIT-JEE-2011

IITJEE is now in Coimbatore.

FIITJEE Solutions to IIT-JEE-2011 will available in the fiitjee website, the link is

http://www.fiitjee.com/fiitjeejava/jsp/iitjeesolution2011/iitjee2011paper1.pdf


1.Extra pure N2 can be obtained by heating
(A) NH3 with CuO (B) NH4NO3
(C) (NH4)2Cr2O7 (D) Ba(N3)2
Sol. (D)
( )
2
Ba N Ba 3N 3 2
∆ → +
2. 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
Sol. (C)
Total mass of solution = 1000 + 120 = 1120 g
Total volume of solution in (L)
1120 3
10
1.15
× =
( )
W 1 120 1.15 10
3
M 2.05 M


4. Geometrical shapes of the complexes formed by the reaction of Ni
2+
with Cl
, CN
and H2O, respectively,
are
(A) octahedral, tetrahedral and square planar (B) tetrahedral, square planar and octahedral
(C) square planar, tetrahedral and octahedral (D) octahedral, square planar and octahedral
PART - I: CHEMISTRYIITJEE2011-Paper 1-CPM-3
FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942
website: www.fiitjee.com.
Sol. (B)