UH Permanganometri

Quiz
•
Others
•
11th Grade
•
Medium
Muhammad Nanang Sohibi
Used 17+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 7 pts
Permanganometri termasuk ke dalam metode ….
Oksidimetri
Metatetik
Reduktometri
Elektrometri
Redoks
2.
MULTIPLE CHOICE QUESTION
3 mins • 7 pts
Muatan tertentu dari suatu atom dalam senyawa akibat melepas atau menerima elektron dalam pembentukan ikatan atau senyawa disebut .....
Reduksi Oksidasi
Oksidasi Reduksi
Bilangan Oksidasi
Bobot Ekivalen
Berat Molekul
3.
MULTIPLE CHOICE QUESTION
3 mins • 7 pts
Permanganometri ini dapat digunakan untuk penentuan .....
Fe dalam bijih besi
Penentuan Ca
Penentuan Xylium
Penentuan kadar Vitamin C
Semuanya benar
4.
MULTIPLE CHOICE QUESTION
3 mins • 7 pts
Sifat kimia zat adalah :
1. Oksidator kuat
2. Autoindikator
3. Tidak dapat berfungsi sebagai katalisator
4. Mudah diperoleh dan tidak mahal
Yang merupakan sifat kalium permanganat adalah....
1, 2, 3 benar
1, 2, 4 benar
1, 3, 4 benar
2, 3, 4 benar
Semuanya benar
5.
MULTIPLE CHOICE QUESTION
3 mins • 7 pts
Yang bisa digunakan untuk menstandarisasi larutan KMnO4 adalah ....
Arsen (II) Oksida
Natrium Oksalat
Asam Oksalat
Semua salah
Semua benar
6.
MULTIPLE CHOICE QUESTION
3 mins • 7 pts
Larutan yang ditentukan konsentrasinya pada titrasi permanganometri adalah .....
Ni²+
Na2S2O3
Klorida
Fe²+
HCl
7.
MULTIPLE CHOICE QUESTION
3 mins • 7 pts
Metode permanganometri didasarkan atas reaksi oksidasi ion permanganat. Oksidasi ini dapat dijalankan dalam suasana asam, netral, ataupun alkali. Reaksi yang terjadi pada suasana asam ….
MnO4- + 4H+ + 3e > Mn2+ + 4H2O
MnO4- + 4H+ + 3e > MnO2 + 4H2O
MnO4- + 4H+ + 3e > MnO3 + 4H2O
MnO4- + 2H2O + 3e > MnO2 + 4OH-
MnO4- + 2H2O + 3e > MnO3 + 2OH-
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