
Uji Borntrager dan Identifikasi Antrakinon

Quiz
•
Other
•
University
•
Hard
mluqman alh
FREE Resource
21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tujuan dari praktikum ini adalah untuk...
Menentukan kadar tanin
Mengetahui kadar senyawa fenolik
Mengidentifikasi senyawa golongan antrakinon
Mengetahui kadar protein dalam tanaman
Mengamati reaksi warna flavonoid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam uji Borntrager, warna merah pada lapisan alkalis menunjukkan adanya...
Saponin
Flavonoid
Antrakinon bebas
Tanin
Alkaloid
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fungsi penambahan amonia dalam uji Borntrager adalah untuk...
Menetralkan larutan
Mengendapkan antrakinon
Menyebabkan perubahan warna lapisan alkalis
Mengikat senyawa fenolik
Memecah glikosida
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam uji modifikasi Borntrager, penambahan KOH dan H₂SO₄ bertujuan untuk...
Membentuk senyawa baru
Menghilangkan tanin
Menghidrolisis glikosida antrakinon menjadi bentuk bebas
Menstabilkan pH
Membentuk larutan jenuh
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam uji modifikasi Borntrager, warna merah pada lapisan alkalis menunjukkan adanya...
Saponin
Flavonoid
Antrakinon terikat
Karbohidrat
Glikosida flavonoid
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fase organik dalam uji Borntrager yang digunakan untuk mengekstrak antrakinon adalah...
Etanol
Aseton
Toluena
Kloroform
Metanol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fungsi asam asetat glasial dalam uji modifikasi Borntrager adalah untuk...
Meningkatkan warna merah
Menurunkan pH
Menstabilkan hasil ekstraksi
Membantu pemisahan fase
Menghilangkan antrakinon
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