Chapter 4: Q18P (page 213)
What would be the product ratio in the chlorination of propane if all the hydrogens were abstracted at equal rates?
Short Answer
Product ratio is3:1
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Chapter 4: Q18P (page 213)
What would be the product ratio in the chlorination of propane if all the hydrogens were abstracted at equal rates?
Product ratio is3:1
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In the presence of a small amount of bromine, the following light -promoted reaction has been observed.

(a) Write a mechanism for this reaction. Your mechanism should explain how both products are formed. (Hint: Notice which H atom has been lost in both products)
(b) Explain why only this one type of hydrogen atom has been replaced, in preference to any of the other hydrogen atoms in the starting material.
Question: (a) Write the propagation steps leading to the formation of dichloromethane (CH2Cl2).
(b) Explain why free-radical halogenation usually gives mixture of products.
(c) How could an industrial plant control the proportions of methane and chlorine to favor production of CCl4? To favor production of CH3Cl?
When it is strongly heated, methyl diazoacetate decomposes to give a nitrogen gas and a carbene. Draw a Lewis structure of the carbene.

Draw a reaction-energy diagram for a two-step endothermic reaction with a rate-limiting step.
Label each hydrogen atom in the following compound as primary (1o), secondary (2o), or tertiary (3o)
(a)
(b)
(c)
(d)
e)
(f)
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