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Questions and Answers
Why are aryl halides less reactive under SN2 reactions compared to alkyl halides?
Why are aryl halides less reactive under SN2 reactions compared to alkyl halides?
- Aryl halides form strong hydrogen bonds with the nucleophile.
- Aryl halides do not form stable carbocations as intermediates.
- Aryl halides have bulky groups attached to the benzene ring. (correct)
- Aryl halides have lone pairs on the halogen atom.
Which metal is usually preferred for the preparation of bromobenzene?
Which metal is usually preferred for the preparation of bromobenzene?
- Zinc
- Copper
- Iron (correct)
- Aluminum
What is formed first when using iron in the preparation of aryl halides?
What is formed first when using iron in the preparation of aryl halides?
- Iron(III) chloride
- Iron(II) chloride
- Iron(III) bromide (correct)
- Iron(II) bromide
Why is 1-ethyl-2-iodobenzene classified as an aryl iodide and not an aryl halide?
Why is 1-ethyl-2-iodobenzene classified as an aryl iodide and not an aryl halide?
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What differentiates the reactivity of aryl halides from ordinary alkyl halides?
What differentiates the reactivity of aryl halides from ordinary alkyl halides?
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Why do aryl halides not undergo SN1 reactions?
Why do aryl halides not undergo SN1 reactions?
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Why are aryl halides inert under SN2 conditions?
Why are aryl halides inert under SN2 conditions?
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Which type of aryl halides can undergo nucleophilic substitution reactions?
Which type of aryl halides can undergo nucleophilic substitution reactions?
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In nucleophilic aromatic substitution reactions, which aryl halide is the most reactive?
In nucleophilic aromatic substitution reactions, which aryl halide is the most reactive?
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What is the order of reactivity for aryl halides in SN1 or SN2 reactions?
What is the order of reactivity for aryl halides in SN1 or SN2 reactions?
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