Reaksi Redoks Kelas XII

Reaksi Redoks Kelas XII

12th Grade

20 Qs

quiz-placeholder

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Reaksi Redoks Kelas XII

Reaksi Redoks Kelas XII

Assessment

Quiz

Chemistry

12th Grade

Practice Problem

Medium

Created by

Wiji Purwanti

Used 247+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suatu reaksi redoks :

aBr2 (aq) + bOH (aq) → cBrO3 (aq) + dBr(aq) + eH2O (l)

Harga a, b, c dan a berturut-turut agar reaksi redoks di atas setara adalah ….

3, 6, 1, 5, 3

6, 1, 5, 3, 3

1, 5, 3, 6, 3

6, 1, 3, 5, 4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Perhatikan reaksi redoks berikut:


Cr2O72- (aq) + SO32- (aq) → Cr3+ (aq) + SO42- (aq)

Setelah reaksi redoks disetarakan, perbandingan, banyak mol ion Cr2O72- dengan SO42- dalam reaksi redoks tersebut adalah ….

1 : 3

3 : 1

2 : 3

3 : 2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Reaksi berikut yang merupakan redoks adalah ….

AgNO3 + NaCl → AgCl + NaNO3

MgO + H2O → Cu2 + H2O

Cl2 + SO2 + H2O → HCl + H2SO4

CuO + 2H → Cu2 + H2O

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cangkang kerang merupakan sumber bahan pembentuk gunung kapur, yaitu senyawa kalsium karbonat. Biloks karbon dalam senyaa tersebut adalah ....

+1

+2

+4

+5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bilangan oksidasi oksigen tertinggi terdapat dalam

CaO

BaO2

O2F2

OF2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elektrolit dalam batu baterai mengandung ion NH4+. Biloks N dalam ion tersebut adalah

-1

+1

-3

+3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tentukan bilangan oksidasi atom S pada ion SO4-2...

+1

+2

+4

+6

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