As the bead engineer of your starship in charge of the warp drive, you notice that the supply of dilithium is critically low. While searching for a replacement fuel, you discover some diboron, B 2 . a. What is the bond order in Li 2 and B 2 ? b. How many electrons must be removed from B 2 to make it isoelectronic with Li 2 so that it might be used in the warp drive? c. The reaction to make B 2 isoelectroruc with Li 2 is generalized (where n = number of electrons determined in part b) as follows: B 2 → B 2 n + + n e − Δ E = 6455 k J / m o l How much energy is needed to ionize 1.5 kg B 2 to lhe desired isoelectroruc species?
As the bead engineer of your starship in charge of the warp drive, you notice that the supply of dilithium is critically low. While searching for a replacement fuel, you discover some diboron, B 2 . a. What is the bond order in Li 2 and B 2 ? b. How many electrons must be removed from B 2 to make it isoelectronic with Li 2 so that it might be used in the warp drive? c. The reaction to make B 2 isoelectroruc with Li 2 is generalized (where n = number of electrons determined in part b) as follows: B 2 → B 2 n + + n e − Δ E = 6455 k J / m o l How much energy is needed to ionize 1.5 kg B 2 to lhe desired isoelectroruc species?
Solution Summary: The author explains how the electronic configuration for multi-electron diatomic molecule is written using the molecular orbitals.
As the bead engineer of your starship in charge of the warp drive, you notice that the supply of dilithium is critically low. While searching for a replacement fuel, you discover some diboron, B2.
a. What is the bond order in Li2 and B2?
b. How many electrons must be removed from B2 to make it isoelectronic with Li2 so that it might be used in the warp drive?
c. The reaction to make B2 isoelectroruc with Li2 is generalized (where n = number of electrons determined in part b) as follows:
B
2
→
B
2
n
+
+
n
e
−
Δ
E
=
6455
k
J
/
m
o
l
How much energy is needed to ionize 1.5 kg B2 to lhe desired isoelectroruc species?
(4 pts - 2 pts each part) A route that can be taken to prepare a
hydrophobic (water-repellent) aerogel is to start with
trichloromethylsilane, CH3SiCl3 as the silicon source.
a. What is the chemical reaction that this undergoes to form a
product with Si-OH groups? Write as complete of a chemical
equation as you can.
CI
CI-SI-CH3
CI
b. The formation of a byproduct is what drives this reaction - what is the byproduct (if you
didn't already answer it in part (a)) and how/why does it form?
b) Circle the substrate that would not efficiently generate a Grignard reagent upon reaction
with Mg in ether.
CI
Br
ד
c) Circle the Grignard reagents that contain incompatible functional groups.
MgBr
HO
MgBr
MgBr
MgBr
MgBr
HO
MgBr
Q2: Predict all organic product(s), including stereoisomers when applicable.
PCC
OH
a)
CH2Cl2
Page 2 of 5
Chem 0310 Organic Chemistry 1 HW Problem Sets
b)
.OH
Na2Cr2O7, H+
OH
PCC
CH2Cl2
c)
OH
Chapter 4 Solutions
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell