
a)
Interpretation:
The products of the reaction shown are to be given.
Concept introduction:
Ethers are cleaved by strong acids. The cleavage takes place either by SN1 or SN2 mechanisms, depending upon the structure of the substrate. Ethers with only primary and secondary alkyl groups react by SN2 mechanism. The Br- or I- attacks the protonated ether at the less hindered side to yield a single alcohol and a single
To give:
The products of the reaction shown.
b)
Interpretation:
The products of the reaction shown are to be given.
Concept introduction:
Treatment of an alkyl halide with thiourea gives alkyl thiourea salt. The salt when hydrolyzed with aqueous bases yields the thiol. The alkyl bromide can be prepared by treating an alcohol with PBr3.
To give:
The product of the reaction shown.
c)
Interpretation:
The products of the reaction shown are to be given.
Concept introduction:
Bromine and iodine oxidize thiols to disulfides. The reaction is reversible in nature.
To give:
The product of the reaction shown.
d)
Interpretation:
The products of the reaction shown are to be given.
Concept introduction:
Sulfides in general are easily oxidized. When treated with H2O2 at room temperature they are oxidized to the corresponding sulfoxides.
To give:
The product of the reaction shown.

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Chapter 18 Solutions
Organic Chemistry - With Access (Custom)
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