
Kimia Analitik I
Authored by Ratih Purwasih
Science
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dari reaksi di bawah ini
H2SO4 + NH3 --> HSO4- + NH4+
Manakah yang merupakan pasangan asam-basa konjugasi?
NH3 dan NH4+
H2SO4 dan NH3
HSO4- dan NH4+
HSO4- dan NH3
H2SO4 dan HSO4-
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui konsentrasi HNO3 0,05M. Berapakah pH dari larutan tersebut?
1- log 1,5
5- log 2
2- log 5
2+ log 5
5+ log 2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seorang TTK ingin mengidentifikasi kation dalam sampel. Sampel tersebut direaksikan dengan reagen Nessler akan mengendap kuning kecoklatan. Kation apa yang dimaksud?
NH4 +
K+
Ca2+
Zn2+
Na+
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Untuk mendeteksi adanya gas bromin yang terbentuk dapat digunakan indikator fuchsin yang diteteskan pada kertas saring. Jika terdapat uap bromin maka pada kertas saring akan terjadi perubahaN. Perubahan warna apakah yang terjadi?
Biru ke ungu
Ungu ke merah
Merah ke ungu
Biru ke merah
Putih ke biru
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seorang analis ingin membedakan ion karbonat dan ion bikarbonat. Pereaksi apakah yang dapat digunakan?
BaCl2
AgNO3
HCl
H2SO4
NaCl
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan pasangan reaksi berikut ini. Manakah dari kedua reaksi tersebut yang dapat membentuk endapan kuning?
BaCl2 + K2CrO4
KMnO4 + NaNO2
Pb(CH3COO)2 + NaOH
HCl + Na2CO3
KBr + H2SO4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berikut ini manakah yang merupakan anion golongan nitrat?
MnO4-, ClO3-, dan NO2-
ClO3-, NO3- dan NO2-
CNS-, NO2-dan S2-
S2-, NO3- dan NO2-
CrO42-, CH3COO- dan SO42-
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