Chems IPA 2

Chems IPA 2

12th Grade

10 Qs

quiz-placeholder

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Chems IPA 2

Chems IPA 2

Assessment

Quiz

Chemistry

12th Grade

Practice Problem

Hard

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

Bilangan oksidasi Cr adalah +6, terdapat dalam senyawa...

K2CrO4

CrO42-

KCrO4

Cr2O7

Cr2O3

2.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

Berikut ini yang bukan merupakan ciri- ciri oksidator adalah...

letaknya di sebelah kanan SPU

Dalam bentuk molekul atau ion mudah mengikat elektron

memiliki biloks tinggi

cenderung mengalami kenaikan biloks

mampu mengoksidasi zat lain

3.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

Cu + NO3 - → Cu 2+ + N2O

Setelah reaksi redoks tersebut setara akan dihasilkan sebanyak x molekul air. Tentukan jumlah x !

1

2

3

4

5

4.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

a MnO4- + b I-c MnO2 + d I2 (suasana basa )

Nilai a,b,c, dan d berturut- turut adalah...

2,6,4,2

2,6,2,3

1,3,2,1

2,3,2,1

1,2,6,3

5.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

CrO42- + Fe(OH)2 → Cr2O3 + Fe(OH)3

Zat yang berperan sebagai reduktor adalah...

Cr2O3

CrO42-

Fe(OH)3

Fe(OH)2

H2O

6.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

Biloks P dalam H2PO4- adalah...

3

4

5

6

7

7.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

aCu + bHNO3c Cu(NO3)2 + dNO3 + eH2O

nilai dari a dan c berturut- turut adalah...

2, 2

2,3

3,2

3,3

3,4

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