1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which among the following factors is the most important in making fluorine the strongest oxidizing halogen?
A
Electron affinity
B
Bond dissociation energy
C
Hydration enthalpy
D
Ionization enthalpy
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Aluminium chloride exists as dimer, Al2Cl6 in solid state as well as in solution of non-polar solvents such as benzene. When dissolved in water, it gives :
A
Al3+ + 3Cl-
B
Al2O3 + 6HCl
C
[Al(OH)6]3-
D
[Al(H2O)6]3+ + 3Cl-
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Excess of KI reacts with CuSO4 solution and then Na2S2O3 solution is added to it. Which of the statements is incorrect for this reaction?
A
Cu2I2 is reduced
B
Evolved I2 is reduced
C
Na2S2O3 is oxidized
D
CuI2 is formed
4
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Cerium (Z = 58) is an important member of the lanthanoids. Which of the following statements about cerium is incorrect?
A
The common oxidation states of cerium are +3 and +4
B
Cerium (IV) acts as an oxidizing agent
C
The +4 oxidation state of cerium is not known in solutions
D
The +3 oxidation state of cerium is more stable than the +4 oxidation state
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