1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The correct order in which the O $$-$$ O bond length increases in the following is
A
O2 < H2O2 < O3
B
O3 < H2O2 < O2
C
H2O2 < O2 < O3
D
O2 < O3 < H2O2
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The correct sequence of increasing covalent character is represented by
A
LiCl < NaCl < BeCl2
B
BeCl2 < LiCl < NaCl
C
NaCl < LiCl < BeCl2
D
BeCl2 < NaCl < LiCl
3
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Among the following, the pair in which the two species are not isostructural is
A
SiF4 and SF4
B
IO3$$-$$ and XeO3
C
BH4$$-$$ and NH4+
D
PF6$$-$$ and SF6
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
In a regular octahedral molecule, MX6 the number of X $$-$$ M $$-$$ X bonds at 180o is
A
three
B
two
C
six
D
four
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