
RESPONSI KIMIA ORGANIK

Quiz
•
Chemistry
•
University
•
Easy
Lailatul badriyah
Used 1+ times
FREE Resource
9 questions
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1.
OPEN ENDED QUESTION
1 min • 10 pts
Seorang laboran melakukan sintesis iodoform. Tuliskan reaksi kimianya!
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2.
OPEN ENDED QUESTION
1 min • 10 pts
Jelaskan tujuan penambahan Kalsium Klorida pada ekstrak daun teh!
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3.
OPEN ENDED QUESTION
1 min • 15 pts
Seorang TTK melakukan sintesis suatu obat sebagai pengobatan nyeri ringan sampai sedang. Apakah bahan utama yang digunakan, dan apakah obat hasil sintesisnya itu?
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4.
OPEN ENDED QUESTION
1 min • 10 pts
Mengapa saat sintesis iodoform menggunakan NaOH?
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5.
OPEN ENDED QUESTION
1 min • 10 pts
Suatu laboran melakukan destilasi campuran metanol dan air (1:1). Pada suhu 70 ºC apakah produk destilatnya?Jelaskan!
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6.
OPEN ENDED QUESTION
1 min • 10 pts
Pada tabung reaksi disamping berisi 2 mL kloroform dan 2 mL akuades.
Jelaskan apa yang terjadi berdasarkan hasil pada gambar tersebut!
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7.
OPEN ENDED QUESTION
1 min • 10 pts
Suatu TTK melakukan ekstraksi kafein daun teh dengan diklorometan.
Jelaskan keberadaan senyawa kafein yang terekstrak!
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8.
OPEN ENDED QUESTION
1 min • 10 pts
Jelaskan prosedur cara melarutkan 120 gram NaOH dengan 100 mL akuades. Jelaskan mengapa larutan menjadi panas!
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9.
OPEN ENDED QUESTION
2 mins • 15 pts
Seorang TTK melakukan ekstraksi dengan sokletasi pada kurkumin 10,00 gram. Pelarut yang digunakan adalah etanol 96%. Sokletasi dilakukan sebanyak 7 siklus. Siklus pertama larutan pada siffon berwarna kuning orange gelap, siklus kedua agak memudar, hingga pada siklus ke7 larutan pada siffon berwarna kuning bening.
a. Ekstrak kental yang didapat sebanyak 2,5 gram. Tentukan kadar ekstrak (%b/b).
b. Mengapa larutan pada siklus ke7 berwarna bening?
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