
Introducción IR
Authored by Abraham Gonzalez Gonzalez
Chemistry
University
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los espectrofotómetros de infrarrojo trabajan en el infrarrojo___ y hacen un barrido desde los___ cm1 hasta los___ cm1
medio, 4000, 400
Cercano, 3500, 350
Lejano, 4500, 450
Visible, 5000, 3500
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En el espectro de IR en el eje de las X se coloca____ y en el eje de las Y, el______
número de ondas, %T
%T, número de ondas
La frecuencia, número de ondas
El espectro de luz, la frecuencia
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las bandas representan zonas donde los enlaces de la molécula absorben radiación infrarroja. En las bandas la transmitancia es ____ y la absorbancia ____
Grande, pequeña
es pequeña, grande
de 4000 a 400 cm-1
400 a 4000 cm-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Moléculas apolares ____ en el infrarrojo y moléculas poco polares dan lugar a .
hay pocas, un salto de energía
hay muchas, errores
no absorben, absorciones muy débiles
Muy débiles, no absorben
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hay esencialmente dos tipos de vibraciones: tensiones y flexiones
Verdadero
Falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tijera, balanceo, cabeceo y torsión son ejemplos de vibración de tensión
Falso
Verdadero
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simétrica y asimétrica son ejemplos de vibración de tensión
Verdadero
Falso
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