
kimia karbon
Authored by Nuning Zubaidah
Chemistry
1st Grade
Used 46+ 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
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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