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Reaksi Redoks

Authored by Dewi Sumarlina

Chemistry

1st Grade

Used 3+ times

Reaksi Redoks
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5 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 20 pts

Bilangan oksidasi unsur Cr dalam senyawa KCrO4 adalah...

+2

+3

+5

+6

+7

2.

MULTIPLE CHOICE QUESTION

5 mins • 20 pts

Biloks unsur Cr dalam senyawa Na2S2O3 adalah...

+12

+6

+2

-12

-6

3.

MULTIPLE CHOICE QUESTION

5 mins • 20 pts

Biloks unsur C dalam senyawa C2O42- adalah...

+3

+4

+5

+6

+7

4.

MULTIPLE CHOICE QUESTION

5 mins • 20 pts

Dari reaksi berikut yang termasuk redoks adalah…

CaO + 2HCl → CaCl2 + H2O

Ca(OH)2 + 2HCl → CaCl2 + 2H2O

AgNO3 + HCl → AgCl + HNO3

Ni + 2HCl → NiCl2 + H2

CuO + 2HCl → CuCl2 + H2O

5.

MULTIPLE CHOICE QUESTION

5 mins • 20 pts

Perhatikan persamaan reaksi redoks berikut!

2HBr + H2SO4→ Br2 + SO2 + 2H2O

Zat yang merupakan oksidator adalah…(UN 2011)

HBr

H2SO4

Br2

SO2

H2O

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