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11th Grade

20 Qs

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Assessment

Quiz

11th Grade

Practice Problem

Hard

Created by

Ferdi Syahdani

Used 10+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Vanadium dengan tingkat oksidasi +4 terdapat pada senyawa :

NH4VO2

K4V(CN)6

VSO4

VOSO4

VCl3

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Unsur logam yang mempunyai bilangan oksidasi +5 terdapat pada ion :

CrO42-

Fe(CN)63-

MnO4-

Cr2O72-

SbO43-

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Bilangan oksidasi fosfor paling rendah terdapat pada :

PH4Br

PF3

POBr3

PCl5

Ca3(PO4)2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Unsur Mn yang mempunyai bilangan oksidasi sama dengan bilangan oksidasi Cr dalam K2C2O7, terdapat pada senyawa :

KMnO4

K2MnO4

MnSO4

MnO

MnO2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Atom belerang dengan bilangan oksidasi yang sama terdapat pada senyawa-senyawa:

SO2, N2S2O3, NaHSO3

H2S, H2SO3, CuSO4

Na2S2O3, SO3, Na2S

NaHSO4, SO3, H2S2O7

Na2S2O3, H2S2O7, H2S

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Unsur yang menunjukkan bilangan oksidasi paling positif dalam senyawanya, adalah :

oksigen

belerang

nitrogen

klor

karbon

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Perubahan bilangan oksidasi unsur nitrogen pada reaksi :

CuS + NO3- ---> Cu2+ + S + NO

adalah :

–3

+3

-2

+2

+5

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