UH Laju reaksi
Quiz
•
Chemistry
•
11th Grade
•
Hard
Nurul Sulaiman
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Di bawah ini yang tidak mempengaruhi laju reaksi adalah.
Konsentrasi reaktan
Konsentrasi produk
Suhu
Luas permukaan bidang sentuh
Penambahan katalis
2.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Diantara pasangan pereaksi berikut, yang diharapkan bereaksi paling cepat adalah ....
20 ml HCl 0,2 M + 20 ml Na2S2O3 0,1M pada suhu 30oC
20 ml HCl 0,1 M + 20 ml Na2S2O3 0,1M + 10 ml air pada suhu 30oC
20 ml HCl 0,1 M + 20 ml Na2S2O3 0,1M pada suhu 40oC
20 ml HCl 0,2 M + 20 ml Na2S2O3 0,1M pada suhu 40oC
20 ml HCl 0,2 M + 20 ml Na2S2O3 0,1M + 20 ml air pada suhu 40oC
3.
MULTIPLE CHOICE QUESTION
15 mins • 20 pts
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
4.
MULTIPLE CHOICE QUESTION
10 mins • 15 pts
Berdasarkan tabel dari reaksi NO2 dan Cl2 tersebut, maka orde reaksi Cl2 adalah ...
0
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Grafik diatas merupakan pengaruh konsentrasi awal pereaksi A dan B2. Pada reaksi 2A + B2 ---> 2AB, memiliki orde reaksi sebesar ....
0
1
1,5
2
negatif
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Laju reaksi 2A + 2B ---> 3C + D, pada setiap saat dapat dinyatakan ....
penambahan konsentrasi A tiap satuan waktu
penambahan konsntrasi B tiap satuan waktu
penambahan konsentrasi C tiap satuan waktui
penambahan konsentarsi A dan B tiap satuan waktu
penambahan konsentrasi B dan C tiap satuan waktu
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Suatu reaksi disebut reaksi orde ke-nol jika ...
reaksi terjadi di antara unsur-unsur
zat-zat yang bereaksi mempunyai valensi nol
reaksi tersebut tidak mempunyai konstanta laju reaksi
laju reaksi tidak dipengaruhi oleh konsentrasi zat yang bereaksi
persamaan laju reaksinya mempunyai koefisien reaksi satu
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