Quiz ácidos
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Juan Valencia
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16 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Una de las siguientes es cierta:
Una solución básica tiene pOH bajo
Una solución básica tiene pH bajo
Una solución ácida tiene pH alto
Una solución ácida tiene pOH bajo
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Según Arrhenius, una sustancia es una base si:
Produce iones hidróxido en agua
Libera protones en el agua
Produce iones hidronio (H3O+) en el agua
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Según Bronsted-Lowry, una base es:
Una sustancia capaz de captar protones de otra
Una sustancia capaz de ceder iones hidróxido a otra
Una sustancia capaz de ceder protones a otra
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Según la teoría de Bronsted-lowry, ¿Cuál de estas sustancias puede actuar como ácido y como base (sustancia anfótera)?
HCO3-
CO3-2
H3O+
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál sería la base conjugada del HCl?
OH-
Cl-
NH3
H2Cl+
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El concepto de ácido y base conjugados se deduce de la teoría ácido-base de:
Arrhenius
Bornsted-Lowry
De ambas
Ninguna de las dos
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La principal limitación de la teoría ácido-base de Arrhenius yace en que los define solamente:
Para sustancias que sean electrólito
Para sustancias que puedan encontrarse en disolución
Para disoluciones acuosas
Para sustancias que se disocien
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