Chem 251 Final Exam Worksheet - 2005 Page 4
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9d) Write a brief account of the bonding and reactivity of Borazine, N
B
H
which emphasizes the
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3
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ways in which this compound is similar or dissimilar to benzene, C
H
.
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e) Stability constants for the formation of [M(18-crown-6)]
complexes in acetone are given below.
Comment critically on these data.
+
+
+
+
+
+
M
:
Li
Na
K
Rb
Cs
log K:
1.5
4.6
6.0
5.2
4.6
f) Write a brief account of the chemistry of the xenon fluorides and their decomposition reactions by
water.
g) Write down, in order, the names and symbols of the elements in group 14. Classify them in terms
of metallic, semi-metallic or non-metallic and then give the general notation showing the ground
state electronic configuration of each element.
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