
POST TEST 1 KELAS X (UH 1+REDOKS)
Authored by Nugroho Putra
Chemistry
10th Grade
Used 60+ times

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada molekul NH3 terdapat pasangan elektron bebas di sekitar atom pusat sebanyak .... (Nomor atom H = 1; N = 7)
a. 1
b. 2
c. 3
d. 4
e. 5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jumlah PEI dan PEB dalam molekul PCl5 berturut-turut adalah .... (Nomor atom P = 15; Cl = 17)
a. 5 dan 0
b. 3 dan 2
c. 2 dan 4
d. 2 dan 3
e. 1 dan 4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur Be (nomor atom = 4) membentuk ikatan kovalen dengan unsur Cl (nomor atom = 17) menghasilkan molekul BeCl2. Tipe geometri dan bentuk molekul dari BeCl2 berturut-turut adalah ....
a. AX2 dan huruf V
b. AX3E dan trigonal piramida
c. AX2 dan linear
d. AX3 dan segitiga sama sisi
e. AX2E2 dan huruf X
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan konfigurasi elektron unsur-unsur berikut:
Unsur X: 1s2 2s2 2p6 3s2 3p5
Unsur Y: 1s2 2s2 2p3
Bentuk molekul yang terjadi jika kedua unsur berikatan menurut aturan oktet adalah ....
a. linear
b. tetrahedral
c. segitiga datar
d. segitiga piramida
e. segitiga bipiramida
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan X dan Y secara bergantian dialirkan di antara medan listrik. Larutan X mengalir lurus, sedangkan larutan Y membelok mendekati arah medan listrik. Hal ini menunjukkan bahwa ….
a. larutan X bersifat polar, sedangkan larutan Y bersifat nonpolar
b. larutan X bersifat nonpolar, sedangkan larutan Y bersifat polar
c. larutan X dan Y tidak dapat ditentukan kepolarannya
d. larutan X dan Y sama-sama bersifat nonpolar
e. larutan X dan Y sama-sama bersifat polar
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Perhatikan senyawa-senyawa berikut!
1) HF
2) CH4
3) H2O
4) CCl4
5) HCl
Senyawa yang antarmolekulnya hanya terdapat gaya London adalah .... (Nomor atom H = 1; C = 6;
F = 9; O = 16; Cl = 17)
a. 1) dan 2)
b. 1) dan 3)
c. 2) dan 4)
d. 3) dan 4)
e. 4) dan 5)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ikan dapat bernafas di dalam air karena adanya gas Oksigen (O2) yang terlarut di dalam air (H2O). Hal ini dikarenakan adanya gaya antar molekul yang disebut ....
a. gaya London
b. dipol terimbas
c. ikatan hydrogen
d. gaya dipol
e. gaya van der walls
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