Kuis Kompleksometri
Quiz
•
Chemistry
•
1st - 3rd Grade
•
Practice Problem
•
Medium
Abraham Mora
Used 26+ times
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam titrasi kompleksometri, EDTA berfungsi sebagai..........
Asam Lewis
Basa Lewis
Asam Bronsted-Lowry
Basa Bronsted-Lowry
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Suatu senyawa kompleks yang memiliki nilai Kf yang besar menandakan?
Reaksi cenderung mengarah ke kiri
Ikatan ligand dan logam pusat sangat tidak stabil
Ikatan ligand dan logam pusat relatif lebih stabil
Reaksi penguraian senyawa kompleks lebih favorable/disukai
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gugus fungsi yang terdapat dalam molekul EDTA diantaranya, kecuali...
Asam Karboksilat
Amina
Etilen/etana
Keton
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berikut ini adalah karakteristik sifat dari EDTA, kecuali..
Berperan sebagai larutan standar primer
Bereaksi 1:1 dengan logam pusat
Maksimal dapat menymbangkan 6 pasangan elektron bebas
Berperan sebagai ligand
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Spesi EDTA yang paling melimpah pada pH sangat rendah adalah?
Y^4-
H2Y^2-
H3Y^-
H4Y
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Spesi EDTA yang paling melimpah pada pH sangat tinggi adalah?
Y^4-
H2Y^2-
H3Y^-
H4Y
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam suatu percobaan ion Fe (II) direaksikan dengan ligand X^2- membentuk kompleks FeX berwarna hijau. Kedalam larutan tersebut kemudian ditambahkan ligand Y^2- yang berwarna bening, dan tenyata terjadi perubahan warna dari hijau menjadi merah.
Kesimpulannya?
Kekuatan kompleks FeX=FeY
Kekuatan kompleks FeX<FeY
Kekuatan kompleks FeX>FeY
Tidak ada jawaban yang benar
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