Electronegativity Difference And Bond Character Page 4
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1
2
3
4Problem Set on Bonding
Name:
AP Chemistry
Period:
Date:
R.F. Mandes, PhD, NBCT
PART I
Directions For each formula, • draw the Lewis Structure
• determine the hybridization of the central atom
• determine the geometry
• determine the formal charge on each central atom
• determine the bond type for each different bond
1. CBr
4
2. HCN
3. CO
2
4. XeF
4
5. BrF
2
6. IF
5
(Nb has 5 val e’s)
7. NbBr
5
8. KrF
2
PART II
C
9.
Consider the hydrogenation of the alkyne, ethyne: C
H
+ 2 H
H
(g)
(g)
(g)
2
2
2
2
6
(a) Calculate the enthalpy of reaction.
(b) How much heat is involved when 0.304 mol of ethyne, C
H
, is hydrogenated?
2
2
(c) How much heat is involved when 1.52 mol of hydrogen is used?
(d) How many moles of ethane are produced when 0.304 mol of ethyne and 1.52 mol of hydrogen react? What
amount of heat is involved for this reaction?
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