
UJI PEMAHAMAN BENTUK MOLEKUL
Authored by Murtadho Murtadho
Chemistry
2nd Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
1. Unsur P (Z = 15) bersenyawa dengan unsur Cl (Z = 17) membentuk PCl3. Banyaknya pasangan elektron bebas pada atom pusat dalam senyawa PCl3 adalah ….
0
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Suatu molekul mempunyai 4 pasang elektron di sekitar atom pusat, 2 diantaranya merupakan PEB, maka bentuk molekul yang paling mungkin adalah ….
Segitiga datar
Segiempat planar
Tetrahedron
Bentuk T
Bentuk V
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Sudut ikatan molekul H2O adalah 104,5 lebih kecil dari sudut tetrahedron, hal ini
disebabkan oleh ….
Adanya 2 pasangan elektron bebas
Adanya 2 pasangan elektron ikatan
Adanya ikatan hidrogen pada H2O
Adanya dipol permanen pada H2O
Pasangan elektron jauh dari atom pusat
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Suatu senyawa memiliki jumlah domain elektron ikatan 3 dan domain elektron
bebas 0, bentuk molekul dari senyawa tersebut adalah ….
Linear
Tetrahedral
Segitiga datar
Oktahedral
Bipiramida segitiga
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Perhatikan tabel berikut
Pernyataan yang benar hubungan antara jumlah PEI, PEB dan bentuk molekul
adalah....
(1) dan (2)
(1) dan (3)
(2) dan (3)
(3) dan (4)
(4) dan (5)
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Bila diketahui atom Boron = 5 dan nomor atom Cl = 17 membentuk molekul
BCl3, maka jumlah PEI, PEB dan bentuk molekul secara berturut-turut adalah....
PEI (2), PEB (0), LINEAR
PEI (2), PEB (1), BERSUDUT
PEI (3), PEB (0), SEGITIGA PLANAR
PEI (3), PEB (1), SEGITIGA PIRAMIDA
PEI (2), PEB (2), TETRAHEDRAL
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Bila suatu senyawa memiliki bentuk molekul seperti pada gambar ini
Maka senyawa yang mungkin adalah....
BeCl2
H2O
NF3
CH4
PCl5
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