COMPLEJOMETRÍA
Authored by Antonella Culasso
Chemistry, Science
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
El agente quelante más utilizado en titulación complejométrica es:
Amoníaco
EDTA
Calcio y Magnesio
Iones metálicos
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
La fracción de la especie total EDTA que existe como Y-4 no depende del pH
VERDADERO
FALSO
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
La constante de formación condicional de un complejo con EDTA depende del pH
FALSO
VERDADERO
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Para determinar la dureza total del agua por complejometría, ajusto el pH con:
Hidróxido de Sodio
Ácido clorhídrico
NET
Buffer amoniacal pH 10
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Para determinar la dureza cálcica mediante complejometría ajusto el pH con:
Ácido clorhídirico
Carbonato de Calcio
Buffer amoniacal pH 10
Hidróxido de sodio
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
En el punto de equivalencia de una titulación complejométrica no hay ion metálico libre
VERDADERO
FALSO
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
El color de los indicadores metalocrómicos depende del pH del medio
VERDADERO
FALSO
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