Spektroskopi Inframerah
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Hard
Fakih Kurniawan
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Daerah IR yang betul, kecuali
Near IR
Medium IR
Mid IR
Far IR
Medium dan Mid IR
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Suatu molekul dapat mengabsorpsi IR jika, kecuali
Frekuensinya sama dengan sinar foton
Ada perubahan momen dipok akibat vibrasu dan rotasi
Molekulnya diatomik homonuklir
Frekuensi foton sama dengan frekuensi vibrasi
Molekulnya diatomik heteronuklir
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Yang dapat menyerap sinar IR, kecuali
H2
H2O
CO2
HCl
CO
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Berapa jumlah frekuensi normal dari molekul nonlinier NH3
3
4
5
6
7
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Penanganan sampel padatan pada analisis IR dapat dilakukan, kecuali
Dicampur dengan pelet KBr
Dibuat lapisan cairan
Dilarutkan
Dibuat lapisan tipis
Dibuat menjadi mull
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pada bagian FTIR, sumber radiasi yang berupa gulungan lingkar nikrom dan bagian tengahnya keramik dan tahan suhu 1000 derajat celcius adalah..
Nerst Glower
Globar
Mercuri Arc
Kawat Pijar
Lampu pijar Tungsten
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Bagian dari spektrum IR yang khas untuk tiap molekul adalah
Functional group region
Fingerprint region
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