1
IIT-JEE 2009 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

For the reduction of NO$$_3^ - $$ ion in an aqueous solution, E$$^0$$ is + 0.96 V. Values of E$$^0$$ for some metal ions are given below:

$$\matrix{ {{V^{2 + }}(aq.) + 2{e^ - } \to V} & {{E^0} = - 1.19\,V} \cr {F{e^{3 + }}(aq.) + 3{e^ - } \to Fe} & {{E^0} = - 0.04\,V} \cr {A{u^{3 + }}(aq) + 3{e^ - } \to Au} & {{E^0} = + 1.40\,V} \cr {H{g^{2 + }}(aq) + 2{e^ - } \to Hg} & {{E^0} = + 0.86\,V} \cr } $$

The pair(s) of metals that is (are) oxidized by NO$$_3^ - $$ in aqueous solution is(are)

A
V and Hg
B
Hg and Fe
C
Fe and Au
D
Fe and V
2
IIT-JEE 2009 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

Among the following, the state function(s) is(are)

A
Internal energy.
B
Irreversible expansion work.
C
Reversible expansion work.
D
Molar enthalpy.
3
IIT-JEE 2009 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

In the reaction

$$\mathrm{2X+B_2H_6\to[BH_2(X)_2]^+[BH_4]^-}$$

the amine(s) X is(are) :

A
NH$$_3$$
B
CH$$_3$$NH$$_2$$
C
(CH$$_3$$)$$_2$$NH
D
(CH$$_3$$)$$_3$$N
4
IIT-JEE 2009 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

The nitrogen oxide(s) that contain(s) N-N bond(s) is(are)

A
N$$_2$$O
B
N$$_2$$O$$_3$$
C
N$$_2$$O$$_4$$
D
N$$_2$$O$$_5$$
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