1
AIEEE 2012
MCQ (Single Correct Answer)
+4
-1
The equilibrium constant (KC) for the reaction N2(g) + O2(g) $$\to$$ 2NO(g) at temperature T is 4 $$\times$$ 10–4. The value of KC for the reaction, NO(g) $$\to$$ 1/2N2(g) + 1/2O2(g) at the same temperature is :
A
0.02
B
2.5 $$\times$$ 102
C
4 $$\times$$ 10-4
D
50.0
2
AIEEE 2012
MCQ (Single Correct Answer)
+4
-1
The incorrect expression among the following is :
A
$${{\Delta {G_{system}}} \over {\Delta {S_{total}}}} = - T$$
B
In isothermal process $${w_{reversible}}$$ = $$ - nRT\,\ln \,{{{V_f}} \over {{V_i}}}$$
C
In $$K\, = {{\Delta {H^o} - T\Delta {S^o}} \over {RT}}$$
D
$$K\, = \,{e^{ - \Delta {G^o}/RT}}$$
3
AIEEE 2012
MCQ (Single Correct Answer)
+4
-1
The standard reduction potentials for Zn2+/ Zn, Ni2+/ Ni, and Fe2+/ Fe are –0.76, –0.23 and –0.44 V respectively. The reaction

X + Y2+ $$\to$$ X2+ + Y will be spontaneous when :
A
X = Ni, Y = Fe
B
X = Ni, Y = Zn
C
X = Fe, Y = Zn
D
X = Zn, Y = Ni
4
AIEEE 2012
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is correct ?
A
All amino acids except lysine are optically active
B
All amino acids are optically active
C
All amino acids except glycine are optically active
D
All amino acids except glutamic acid are optically active
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