PERSIAPAN OSN TAHAP 3
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Evie Berlianti Hermina
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui reaksi (C2H5)3N + CH3I → CH3(C2H5)3NI pada suhu tertentu memiliki nilai konstanta laju sebesar 0,384 M-1 s -1
Orde reaksi dari reaksi tersebut adalah …
1
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4
5
Answer explanation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam fasa gas, hidrogen dan iodin dapat bereaksi menghasilkan HI. Analisis laju awal reaksi terhadap tekanan parsial gas hidrogen dan iodin pada suhu tertentu menghasilkan data seperti pada gambar. Orde total dari reaksi tersebut adalah
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Answer explanation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam suasana asam, suatu ester akan terhidrolisis menghasilkan alkohol dan asam karboksilatnya, diketahui hidrolisis dari ester bergugus fungsi dua seperti pada gambar berikut. Dengan konstanta laju senilai k1. Berdasarkan reaksi tersebut, maka
Answer explanation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada suatu percobaan reaksi degradasi senyawa A menjadi B dan C didapat data seperti pada gambar berikut. Orde reaksi tersebut adalah
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5
Answer explanation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada suatu percobaan reaksi degradasi senyawa A menjadi B dan C didapat data seperti pada gambar berikut. Tentukan nilai k untuk reaksi degradasi tersebut!
1,6 M-1 s -1
1,6 x 10-1 M -1 s -1
1,6 x 10-2 M -1 s -1
1,6 x 10-3 M -1 s -1
1,6 x 10-4 M -1 s -1
Answer explanation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika digunakan [A]0 = 1,0000 M, pada kondisi percobaan yang sama dengan data yang disajikan setelah 200 s berapa konsentrasi A yang tersisa?
0,6010 M
0,4808 M
0,3606 M
0,2404 M
0,1202 M
Answer explanation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Percobaan dekomposisi ammonia pada suhu tertentu menghasilkan data seperti pada gambar berikut. Orde reaksi dari dekomposisi ammonia tersebut adalah …
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Answer explanation
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