REAKSI REDOKS 01

REAKSI REDOKS 01

12th Grade

10 Qs

quiz-placeholder

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REAKSI REDOKS 01

REAKSI REDOKS 01

Assessment

Quiz

Chemistry

12th Grade

Hard

Created by

fauziah mamifofo

Used 285+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berikut ini, pernyataan yang benar tentang reaksi oksidasi adalah...

Penerimaan pasangan elektron

Reaksi pelepasan oksigen dari senyawanya

Penerimaan elektron

Penurunan bilangan oksidasi

Pertambahan bilangan oksidasi

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diantara reaksi berikut yang bukan reaksi redoks adalah...

2Al + 3H2O Al2O3 + 3H22Al\ +\ 3H_2O\ \rightarrow\ Al_2O_{3\ }+\ 3H_2

Mg + 2HCl MgCl2 + H2Mg\ +\ 2HCl\ \rightarrow\ MgCl_2\ +\ H_2

2Na + 2H2O 2NaOH +H22Na\ +\ 2H_2O\ \rightarrow\ 2NaOH\ +H_2

2CuO + C 2Cu + CO22CuO\ +\ C\ \rightarrow\ 2Cu\ +\ CO_2

NaOH + HCl NaCl + H2ONaOH\ +\ HCl\ \rightarrow\ NaCl\ +\ H_2O

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Bilangan oksidasi  CrCr   pada senyawa  K2Cr2O7K_2Cr_2O_7  adalah...

+3

+4

+5

+6

+7

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Pada reaksi tersebut, bilangan oksidasi Mn mengalami perubahan dari...

+4 menjadi +2

+4 menjadi +1

+2 menjadi +4

+2 menjadi +1

+1 menjadi +2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Diantara reaksi - reaksi betikut yang merupakan reaksi autoredoks adalah...

Media Image
Media Image
Media Image
Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika reaksi:

Cu2+(aq) + NO(g) → Cu(s) + NO3(aq) (belum setara) dilengkapi maka persamaan reaksi itu akan mengandung ....

10 H+ dan 5 H2O

8 OH dan 4 H2O

8 H+ dan 4 H2O

4 OH dan 2 H2O

4 H+ dan 2 H2O

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Reaksi oksidasi yang benar adalah . . . .

Mg(s) + 2 e --> Mg2+(aq)

Na(s) --> Na2+(aq) + 2 e

Cu(s) + 2 e --> Cu2+(aq)

Al(s) --> Al3+(aq) + 3 e

Ca(s) --> Ca3+(aq) + 3 e

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