1
IIT-JEE 2011 Paper 2 Offline
MCQ (Single Correct Answer)
+4
-1
Match the transformations in column I with appropriate options in column II

Column I
(A) CO2(s) $$\to$$ CO2(g)
(B) CaCO3(s) $$\to$$ CaO(s) + CO2(g)
(C) 2H $$\to$$ H2(g)
(D) P(white, solid) $$\to$$ P(red, solid)

Column II
(p) phase transition
(q) allotropic change
(r) $$\Delta H$$ is positive
(s) $$\Delta S$$ is positive
(t) $$\Delta S$$ is negative
A
A $$\to$$ p,r,s; B $$\to$$ r,s; C $$\to$$ t; D $$\to$$ p,q,t
B
A $$\to$$ r,s; B $$\to$$ p,s; C $$\to$$ t; D $$\to$$ p,q,t
C
A $$\to$$ p,r,s; B $$\to$$ r,s; C $$\to$$ r; D $$\to$$ p,t
D
A $$\to$$ p,r,s; B $$\to$$ r,s; C $$\to$$ t; D $$\to$$ q,t
2
IIT-JEE 2011 Paper 2 Offline
Numerical
+2
-0
In 1 L saturated solution of AgCl [Ksp(AgCl) = 1.6 $$\times$$ 10-10], 0.1 mol of CuCl [Ksp(CuCl) = 1.0 $$\times$$ 10-6] is added. The resultant concentration of Ag+ in the solution is 1.6 $$\times$$ 10-x. The value of "x" is
Your input ____
3
IIT-JEE 2011 Paper 2 Offline
Numerical
+1
-0
The number of hexagonal face that present in a truncated octahedron is
Your input ____
4
IIT-JEE 2011 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-0.75
The freezing point (in oC) of a solution containing 0.1 g of K3[Fe(CN)6] (Mol. wt. 329) in 100 g of water (Kf = 1.86 K kg mol-1) is
A
-2.3 $$\times$$ 10-2
B
-5.7 $$\times$$ 10-2
C
-5.7 $$\times$$ 10-3
D
-1.2 $$\times$$ 10-2
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