kimia karbon

kimia karbon

1st Grade

20 Qs

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kimia karbon

kimia karbon

Assessment

Quiz

Chemistry

1st Grade

Practice Problem

Medium

Created by

Nuning Zubaidah

Used 45+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Reaksi yang terjadi di katoda pada elektrolisis larutan NaCl dengan elektroda grafit adalah.....

Na+ + e → Na

2Cl- → Cl2 + 2e

. 2 H2O → 4H+ + O2 + 4e

Na → Na+ + e

2 H2O + 2e → 2OH- + H2

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Elektrolisis larutan KCl dengan electrode Pt, di anoda akan terbentuk ……..

gas Cl2

gas H2

logam K

gas O2

ion kalium

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Pada elektrolisis lelehan NaCl dengan elektroda karbon, digunakan arus sebesar 10 ampere selama 30 menit, Massa logam Natrium yang diperoleh adalah…….( Ar Na=23 , Cl=35,5 )

0,65 gram

4,29 gram

0,375 gram

10,9 gram

3,25 gram

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kegunaan dan jenis gugus fungsi senyawa CH3OH secara berturut-turut adalah……

bahan bakar, ─OH

Media Image
Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Gugus fungsi eter, aldehida, dan ester berturut-turut adalah....

-O- ; -COOH ; -CO-

-OH ; -O- ; -COO-

-COO- ; -CHO ; -O-

-O- ; -CHO ; -COO-

-CO- ; -CHO ; -O-

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Rumus struktur beberapa senyawa sebagai berikut :

1) CH3CH2OH

2) CH3CH2CHO

3) CH3CH2OCH3

4) CH3CH2COOH

5) CH3CH2COOCH3

Senyawa Ester ditunjukkan oleh nomor

1

2

3

4

5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Yang merupakan gugus fungsional dari alkanal adalah....

-CHO

-CO-

-OH

-COOH

-O-

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