
ULANGAN LAJU REAKSI
Quiz
•
Chemistry
•
Professional Development
•
Medium
Hamzah Hamzah
Used 75+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu reaksi A + B persamaan laju reaksinya : V = K [ A ] . [ B ]2 . Bila masing - masing pada suhu tetap konsentrasi A dan B masing - masing dinaikan dua kali dari semula, laju reaksi adalah.......
tidak berubah
delapan kali lebih besar
empat kali lebih besar
enam kali lebih besar
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tabel diatas merupakan tabel data suhu dan kecepatan reaksi:
Berdasarkan tabel, kecepatan reaksi pada suhu 65oC adalah ....
0,0001
0,0003
0,0009
0,0027
0,0081
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Setiap Kenaikan suhu 20oC, laju reaksi menjadi 3 kali lebih cepat dari semula. Jika pada suhu 20oC laju reaksi berlangsung 9 menit, maka laju reaksi pada suhu 60oC adalah ....
1/9 menit
1/6 menit
1/3 menit
2/3 menit
3/6 menit
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Data diatas merupakan data dari reaksi:
2NO(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
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berdasarkan tabel dari reaksi NO2 dan Cl2 tersebut, maka orde reaksi adalah ...
0
1
2
3
4
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dari data hasil percobaan diatas, maka laju untuk :
BrO3- + 5 Br- + 6H+ ---> 3Br2 + 3H2O adalah ....
V = k . [BrO3-] . [H+]2
V = k . [Br-] . .[H+]2
V = k . [BrO3-] . [Br-] . .[H+]2
V = k . [BrO3-] . [Br-] . .[H+]
V = k . [BrO3-] . [Br-]2 . .[H+]2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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
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