1
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
Given : $$E_{F{e^{3 + }}/Fe}^o$$ = -0.036V; $$E_{F{e^{2 + }}/Fe}^o$$ = -0.439 V
The value of standard electrode potential for the change,
Fe3+ (aq) + e- $$\to$$ Fe2+ (aq) will be
A
-0.072 V
B
0.385 V
C
0.770 V
D
0.270
2
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
Using MO theory, predict which of the following species has the shortest bond length?
A
$$O_2^+$$
B
$$O_2^-$$
C
$$O_2^{2-}$$
D
$$O_2^{2+}$$
3
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
In which of the following arrangements, the sequence is not strictly according to the property written against it
A
CO2 < SiO2 < SnO2 < PbO2 : increasing oxidising power
B
HF < HCl < HBr, HI : increasing acid strength
C
NH3 < PH3 < AsH3 < SbH3 : increasing basic strength
D
B < C < O < N : increasing first ionization enthalpy
4
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
Calculate the wavelength (in nanometer) associated with a proton moving at 1.0 x 103 ms−1 (Mass of proton = 1.67 $$\times$$ 10-27 kg and h = 6.63 $$\times$$ 10-34 Js) :
A
0.40 nm
B
2.5 nm
C
14.0 nm
D
0.32 nm

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