
Preguntas sobre Aromaticidad
Authored by Aracely Acosta
Chemistry
University
Used 12+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Por qué el flúor es el halógeno menos desactivador?
Es el menos electronegativo.
Su orbital 2p se traslapa mejor con el anillo, donando electrones por resonancia.
No tiene efecto inductivo.
Atrae electrones solo por resonancia.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué efecto dominante tienen los halógenos (F, Cl, Br) en el anillo de benceno?
Donan electrones por resonancia más de lo que atraen por efecto inductivo.
Atraen electrones por efecto inductivo más de lo que donan por resonancia.
Solo atraen electrones por resonancia.
No afectan la reactividad del anillo.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes sustituyentes es fuertemente activador?
NO₂
Br
NH₂
COCH₃
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los halógenos (como Cl) son:
Fuertemente activadores.
Directores meta.
Débilmente desactivadores.
Ninguno de los anteriores.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La sulfonación del benceno es una reacción reversible.
Verdadero
Falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El benceno puede reaccionar con bromo (Br₂) sin necesidad de un catalizador.
Verdadero
Falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La reducción de Birch convierte el benceno en 1,4-ciclohexadieno.
Verdadero
Falso
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