1
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Which of the following statements is true?
A
H3PO3 is a stronger acid than H2SO3
B
In aqueous medium HF is a stronger acid than HCl
C
HClO4 is a weaker acid than HClO3
D
HNO3 is a stronger acid than HNO2
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
What products are expected from the disproportionation reaction of hypochlorous acid?
A
HClO3 and Cl2O
B
HClO2 and HClO4
C
HCl and Cl2O
D
HCl and HClO3
3
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
The “spin-only” magnetic moment [in units of Bohr magneton, (µB)] of Ni2+ in aqueous solution would be : (Atomic number of Ni = 28)
A
2.84
B
4.90
C
0
D
1.73
4
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Lanthanoid contraction is caused due to :
A
the appreciable shielding on outer electrons by 4f electrons from the nuclear charge
B
the appreciable shielding on outer electrons by 5d electrons from the nuclear charge
C
the same effective nuclear charge from Ce to Lu
D
the imperfect shielding on outer electrons by 4f electrons from the nuclear charge
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