
ARGENTOMETRI
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Easy
Peserta 23451
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Argentometri adalah metode titrasi yang menggunakan larutan standar…
Natrium hidroksida (NaOH)
Perak nitrat (AgNO₃)
Kalium tiosianat (KSCN)
Besi(III) nitrat (Fe(NO₃)₃)
Asam klorida (HCl)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Metode titrasi argentometri yang menggunakan indikator adsorpsi adalah…
Mohr
Volhard
Fajans
Kompleksometri
Redoks
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Argentometri biasanya digunakan untuk menentukan kandungan…
Ion klorida (Cl⁻), bromida (Br⁻), dan iodida (I⁻)
Ion sulfat (SO₄²⁻) dan fosfat (PO₄³⁻)
Ion natrium (Na⁺) dan kalium (K⁺)
Ion amonium (NH₄⁺) dan nitrat (NO₃⁻)
Ion kalsium (Ca²⁺) dan magnesium (Mg²⁺)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indikator yang digunakan dalam metode Mohr adalah…
Kalium kromat (K₂CrO₄)
Ferroin
Besi(III) nitrat (Fe(NO₃)₃)
Nitrobenzena
Fenolftalein
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mengapa larutan harus bersifat asam dalam metode Volhard?
Agar AgSCN tetap stabil
Agar ion Fe³⁺ dapat bekerja sebagai indikator
Agar endapan Ag₂CrO₄ tidak terbentuk
Agar endapan AgSCN tidak larut kembali
Semua benar
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Fungsi nitrobenzena dalam titrasi Volhard adalah…
Mencegah larutnya kembali endapan AgSCN
Memberi warna pada larutan saat titik akhir
Bereaksi dengan Fe³⁺ untuk membentuk kompleks
Menetralisasi ion Ag⁺ yang tersisa
Mempercepat reaksi antara Ag⁺ dan SCN⁻
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada metode Fajans, perubahan warna terjadi karena…
Adsorpsi indikator pada permukaan endapan
Reaksi antara SCN⁻ dan Fe³⁺
Oksidasi ion Ag⁺
Endapan Ag₂CrO₄ terbentuk
Pengendapan langsung dengan ion Cl⁻
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