
Reacciones de ácidos carboxílicos y derivados
Authored by Estudiante 3
Chemistry
1st Grade - University
15 Questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De los siguientes ácidos cual tendría mayor acidez?
BrCH2CH2CH2COOH
CH3CHBrCH2COOH
CH3CH2CHBrCOOH
CH3CH2CH2COOH
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cual de las siguientes reacciones NO se dá en el grupo carboxilo de los ácidos?
Formación de sales
Metilación con diazometano
Reacciones sobre el carbono alfa
Reacciones sobre el grupo carbonilo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Con cual de los siguientes reactivos NO se forman sales de ácidos?
NaOH
NaHCO3
Na
PBr3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cual de los siguientes procedimientos es apropiado para separar una mezcla de compuestos orgánicos que incluya un ácido carboxílico?
Éter-NaOH acuoso-HCl acuoso-éter
NaOH acuoso-éter-HCl acuoso-éter
Éter-HCl acuoso-NaOH acuoso-éter
HCl acuoso-éter-NaOH acuoso-éter
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Que tipo de reacciones se dá en los compuestos ácidos alfa-halogenados con bases fuertes?
Sustitución nucleofílica
Sustitución nucleofílica-eliminación
Sustitución electrofilica
Adición nucleofilica
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la reacción de esterificación de fisher cuando un compuesto que tiene los dos grupos funcionales necesarios ,reacciona de forma intramolecular, se forma un?
Lactama
Lactona
Ester
Anhidrido
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un ácido barboxilico se hace reaccionar con Br2/PBr3 se produce un?
Haluro de ácido
Ácido alfa-halogenado
Amida
Ester
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