
IR-UV-EM
Authored by San Cruz
Chemistry
University
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es un espectro típico de
Cetonas
Aldehído
Ácido carboxílico
Amina
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántos átomos de Bromo están presentes?
0
1
2
3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Señal que representa el pico base
45
73
107
152
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unidades para Espectroscopía IR-UVvis-EM
cm -1, nm, m/z
nm, m/z, cm -1
m/z, cm -1 , nm
cm -1 , m/z, nm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Por qué el espectro mostrado NO puede corresponder a un ácido carboxílico?
Porque hay señales alrededor de 3000 cm-1
Porque hay una señal de C=O en 1749 cm-1
Porque no se observan los sobretonos alrededor de 2000 cm-1
Porque no hay señal de OH en aprox. 3300 cm-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué característica corresponde a la estructura que arroja este espectro?
Posee un grupo -OH
Está presente un triple enlace
Se observa una señal para C=O
Tiene un anillo aromático
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Señales que nos permiten asegurar la correspondencia del espectro con cada compuesto (Hexano vs 2,3-dimetilbutano)
29 y 86
42 y 86
57 y 86
29 y 57
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