Laju Reaksi Quiz
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Easy
Ashley Millan
Used 2+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Suatu reaksi mempunyai ungkapan laju reaksi: V = k [X]2[Y]0 Bila konsentrasi X dan Y masing-masing diperbesar empat kali, maka laju reaksinya diperbesar ...
2 kali
16 kali
8 kali
4 kali
18 kali
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi A + B → AB, jika reaksi tersebut berlangsung selama t detik, maka dapat dikatakan bahwa...
Penambahan konsentrasi A dan B persatuan waktu
Pengurangan konsentrasi A dan B persatuan waktu
Penambahan konsentrasi A persatuan waktu
Pengurangan konsentrasi AB persatuan waktu
Pengurangan konsentrasi E saja persatuan waktu
3.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Pada suhu 274 oC gas brom dapat bereaksi dengan gas nitrogen monoksida menurut persamaan reaksi: 2NO + Br2 → 2NOBr dari reaksi tersebut diperoleh data berikut. Berdasarkan data tersebut maka persamaan laju reaksi adalah....
V = k [NO] [Br2]
V = k [NO]2[Br2]0
V = k [NO]2[Br2]2
V = k [NO][Br2]2
V = k [NO]2[Br2]
4.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
Untuk reaksi N + O → 2NO diperleh data percobaan sebagai berikut. Jika tetapan laju reaksi = k. Maka besar tingkat reaksiya adalah...
3
1
4
0
2
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Menurut reaksi berikut: Cr2O72- + 6Fe2+ + 14H+ → 2Cr3+ + 6Fe3+ + 7HO Laju reaksi diikuti dengan mengukur konsentrasi Fe2+ yaitu 4,5 x 10-3 M/menit. Laju reaksi dinyatakan dengan perubahan konsentrasi Cr2O72- dalam M/menit adalah...
2,7 x 10-4
7,5 x 10-4
0,75 x 10-4
0,27 x 10-4
2,7 x 10-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Massa asam oksalat H2C2O4.2H2O yang diperlukan untuk membuat 500mL larutan asam oksalat 0,1M adalah.... (Ar C=12 H=1 O=16)
10,3 gram
6,3 gram
8,3 gram
9,3 gram
7,3 gram
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Jika suhu dinaikkan 15 oC laju reaksi meningkat tiga kali lebih cepat. Jika pada suhu 25 oC reaksi berlangsung 81 detik, maka pada suhu 85 oC reaksi akan berlangsung selama ...
3 detik
5 detik
1 detik
2 detik
4 detik
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