Question

A. Compound A and compound B are constitutional isomers with molecular formula C3H7Cl. When compound A is treated with sodium methoxide, a substitution reaction predominates. When compound B is treated with sodium methoxide, an elimination rection predominates. Propose structures A and B.

b. An unknown compound with molecular formula C6H13Cl is treated with sodium ethoxide to produce 2,3-dimethyl-2-butene as the major product. Identify the structure of the unknown compound.

Answer 1

Compound A has a functional group that can be substituted, while Compound B has a functional group that can undergo elimination.

Step-by-step explanation:

Compound A and compound B are constitutional isomers with molecular formula C3H7Cl. When compound A is treated with sodium methoxide, a substitution reaction predominates. When compound B is treated with sodium methoxide, an elimination reaction predominates.

To propose structures A and B, we need to consider that isomers have the same molecular formula but different structures. In compound A, the substitution reaction predominates, which suggests that compound A has a functional group that can be substituted. One possible structure for compound A is 1-chloropropane:

CH3CH2CH2Cl

In compound B, the elimination reaction predominates, which suggests that compound B has a functional group that can undergo elimination. One possible structure for compound B is 2-chloropropane:

CH3CHClCH3

Answer 2

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Step-by-step explanation:

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