LATIHAN LAJU REAKSI

Quiz
•
Chemistry
•
12th Grade
•
Easy
rahmawaty waty
Used 7+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Larutan urea [CO(NH2)2] dibuat dengan jalan melarutkan 3 gram urea ke dalam air sampai volume 250 mL. Konsentrasi larutan urea yang dibuat adalah … .
(Mr urea = 60)
0,1 M
0,2 M
0,3 M
. 0,4 M
. 0,5 M
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Setiap 15°C laju reaksi menjadi 2 kali lebih cepat dari mula-mula. Jika pada suhu 30°C reaksi berlangsung 12 menit, tentukan waktu reaksi pada suhu 75°C!
1 menit
1,5 menit
2 menit
2,5 menit
3 menit
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Data percobaan reaksi: A + 2B → AB2, menunjukkan bahwa apabila konsentrasi A dinaikkan 2 kali sedang konsentrasi B tetap, laju reaksinya naik 2 kali. Bila konsentrasi A tetap dan konsentrasi B dinaikkan 2 kali, maka laju reaksinya naik 2 kali pula. Persamaan laju reaksinya dapat dituliskan
r = k [A]2 [B]3
r = k [A]2 [B]2
r = k [A] [B]2
r = k [A]2 [B
r = k [A] [B]
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada reaksi penguraian: AB2 A + 2 B, diketahui bahwa reaksi tersebut berorde Duaterhadap AB2. Grafik di bawah ini yang menyatakan hubungan laju reaksi dengan
konsentrasi AB2 adalah
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Data diatas merupakan data dari reaksi:
NO(g) + Br2(g) ---> 2NOBr(g),
Dari data tersebut, reaksi tersebut mempunyai rumus persamaan laju ....
V = k . [NO]2 . [Br2]
V = k . [NO] . [Br2]2
V = k [NO]1/2 . [Br2]
V = k [NO] . [Br2]
V = k [NO]1/2 . [Br2]1/3
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Berdasarkan tabel dari reaksi NO2 dan Cl2 tersebut, maka orde reaksi adalah ...
0
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan dibawah ini mempengaruhi laju reaksi, kecuali ...
kenaikan temperatur
pembesaran konsentrasi zat pereaksi
memperkecil ukuran partikel pereaksi
penambahan volume pereaksi
adanya katalis
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