1
JEE Advanced 2015 Paper 1 Offline
MCQ (Single Correct Answer)
+8
-4
Match the thermodynamics processes given under column I with expression given under column II

Column I
(A) Freezing water at 273 K and 1 atm
(B) Expansion of 1 mol of an ideal gas into a vacuum under isolated conditions.
(C) Mixing of equal volumes of two ideal gases at constant temperature and pressure in an isolated container.
(D) Reversible heating of H2(g) at 1 atm from 300K to 600K, followed by reversible cooling to 300K at 1 atm

Column II
(p) q = 0
(q) w = 0
(r) $$\Delta S_{sys}$$ < 0
(s) $$\Delta U$$ = 0
(t) $$\Delta G$$ = 0
A
A $$\to$$ r,t; B $$\to$$ q,s; C $$\to$$ p,s; D $$\to$$ p,q,s;
B
A $$\to$$ r,t; B $$\to$$ p,s; C $$\to$$ s; D $$\to$$ q,s,t;
C
A $$\to$$ r,t; B $$\to$$ p,q,s; C $$\to$$ p,q,s; D $$\to$$ p,q,s,t;
D
A $$\to$$ r,t; B $$\to$$ p,s; C $$\to$$ p,q,s; D $$\to$$ p,s,t;
2
JEE Advanced 2015 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2
If the unit cell of a mineral has cubic close packed (ccp) array of oxygen atoms with m fraction of octahedral holes occupied by aluminium ions and n fraction of tetrahedral holes occupied by magnesium ions, m and n, respectively, are
A
1/2, 1/8
B
1, 1/4
C
1/2, 1/2
D
1/4, 1/8
3
JEE Advanced 2015 Paper 1 Offline
Numerical
+4
-0
If the freezing point of a 0.01 molal aqueous solution of a cobalt (III) chloride-ammonia complex(which behaves as a strong electrolyte) is – 0.0558oC, the number of chloride(s) in the coordination sphere of the complex is [Kf of water = 1.86 K kg mol–1 ]
Your input ____
4
JEE Advanced 2015 Paper 1 Offline
Numerical
+4
-0
All the energy released from the reaction
$$X \to Y, \Delta _tG^o $$ = -193 kJ mol-1 is used for oxidizing M+ as M+ $$\to$$ M3+ + 2e-, Eo = -0.25 V
Under standard conditions, the number of moles of M+ oxidized when one mole of X is converted to Y is [F = 96500 C mol–1]
Your input ____
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