
Latihan Kimia 123b17
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Laila Zakiyah
Used 3+ times
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34 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara senyawa oksida nitrogen berikut ini, yang mengandung 36,4% massa oksigen adalah
NO
N2O
N2O3
N2O4
N2O5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Untuk mengoksidasi 25 gram cuplikan FeSO4 (Mr = 152), diperlukan 6,125 gram K2Cr2O7 (Mr = 294). Pada reaksi ini, ion dikromat berubah menjadi Cr3+, sedangkan Fe2+ berubah menjadi Fe3+. Kadar FeSO4 dalam cuplikan di atas adalah
19%
38%
48%
76%
92%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Volume larutan H3PO40,1 M yang tepat bereaksi dengan larutan 50 mL Ba(OH)20,25 M adalahppili
50 mL
83,3 mL
125 mL
250 mL
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara konfigurasi elektron berikut yang menunjukkan unsur logam adalah
1s2 2s2 2p5
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p6 3d2 4s2
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p1
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Struktur Lewis berikut ini: adalah representasi dari
NO2−
NO2+
NO2
NO2+, dan NO2−
NO2, NO2+, dan NO2−
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara senyawa alkana berikut ini yang mempunyai interaksi van der Waals paling tinggi adalah
CH3CH2CH2CH2CH2CH3
CH3CH2CH3
CH3CH2C(CH2)4CH3
CH3CH2CH2CH3
CH3(CH2)3CH3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika NaBr larut dalam air, maka jenis gaya antarmolekul yang harus diputuskan adalah
Gaya ion-ion
Ikatan-Hidrogen
Gaya ion-dipol
Gaya ion-ion dan ikatan-Hidrogen
Dipol-dipol
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