
PRETEST KIMIA ORGANIK

Quiz
•
Science
•
University
•
Hard
Dimeticon 2024
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Dari senyawa-senyawa tersebut terhadap reaksi subsitusi elektrofilik, manakah yang mempunyai sifat Elektrofilik terbesar dan terkecil?
1 dan 3
2 dan 1
2 dan 3
1 dan 2
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Bagian yang terpolarisasi negatif dari senyawa metoksi siklopentana adalah...
Cincin siklopentana
Atom N
Atom O
Gugus metil
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Senyawa karbonil yang jika direaksikan dengan reagen grignard etilmagnesiumbromida menghasilkan 3 pentanol adalah…
2-metilpropanal
Propanal
Butan-2-on
propan-2-on
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Perhatikan beberapa leaving group berikut ini :
1. HO-
2. Cl-
3. TosO-
4. H2O
Sebutkan urutan leaving group yang paling reaktif menuju kurang reaktif!
HO- > Cl- > H2O > TosO-
TosO- > HO- > Cl- > H2O
Cl- > HO- > H2O > TosO-
HO- > Cl-> TosO- > H2O
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Tahapan dalam mensintesis senyawa m-bromonitrobenzena dari bahan awal benzena adalah...
Brominasi, dilanjut sulfonasi
Sulfonasi, dilanjutkan brominasi
Nitrasi, dilanjutkan brominasi
Brominasi, dilanjutkan nitrasi
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Jumlah struktur resonansi dari nitrometana adalah
4
3
5
2
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Reaksi berikut tergolong sebagai reaksi
subtitusi
eliminasi
adisi
hidrogenasi
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