
PTS Kelas XI
Authored by Melisa Muhridja
Chemistry
11th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Rumus umum senyawa alkana, alkena, dan alkuna berturut-turut yang tepat adalah ….
CnH2n+2, CnH2n-2, CnH2n
CnH2n, CnH2n-2, CnH2n
CnH2n-2, CnH2n+2, CnH2
CnH2n-2, CnH2n, CnH2n+2
CnH2n+2, CnH2n, CnH2n-2
2.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Kekhasan atom karbon yang menyebabkan unsur karbon mempunyai banyak ragam senyawa adalah...
Atom karbon dapat membentuk rantai karbon dengan berbagai bentuk.
Atomkarbon mempunyai konfigurasi elektron yang belum stabil seperti atom-atom unsur gas mulia
Karbon merupakan zat padat yang sangat stabil pada suhu kamar.
Atom karbon mempunyai bentuk ruang ikatan tetrahedron.
Atom karbon mempunyai 4 elektron valensi yang dapat digunakan untuk berikatan kovalen.
3.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Nama yang tepat untuk senyawa alkana tersebut adalah ....
3-etil-4,4-dimetil-pentana
2,2-dimetil-3-etil-pentana
3-etil-4,4-dimetil-pentena
3-etil-2,2-dimetil-pentana
3-etil-2,4-dimetil-pentana
4.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Diberikan gambar struktur berikut:
Atom C primer, sekunder, tersier, & kuartener ditunjukkan oleh nomor …..
6, 5, 2, 3
1, 7, 3, 2
10, 9, 2, 3
8, 3, 6, 7
4, 2, 3, 7
5.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Dari gambar dibawah, tata nama yang tepat untuk senyawa tersebut adalah …..
2,2,3-trimetil heksana
2,3,3-trimetil heptana
2,2,3-trimetil pentana
3,3,4-trimetil heptana
3,4,4-trimetil heptana
6.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Soal tertera pada gambar
398 kj
222 kj
-176 kj
- 92 kj
-46 kj
7.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Diketahui energi ikatan:
C – F : 439 kJ/mol
C – Cl : 330 kJ/mol
F – F : 159 kJ/mol
Cl – Cl : 243 kJ/mol
Panas reaksi untuk:
CF2Cl2 + F2 → CF4 + Cl2 adalah....kj
136
302
- 302
622
-622
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