
Ujian Akhir Semester Kimia
Quiz
•
Chemistry
•
12th Grade
•
Hard
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43 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Asam cuka (CH3COOH) termasuk senyawa asam. Menurut Arhenius, asam cuka mempunyai sifat asam karena …
Memiliki atom hidrogen
Dalam air melepaskan ion H+
Dalam air melepaskan ion OH-
Dapat menerima pasangan elektron
dapat memberi proton kepada molekul air
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yang termasuk larutan asam dan basa berturut- turut adalah …
III dan II
III dan I
I dan IV
II dan I
II dan IV
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kertas lakmus merah akan menjadi biru bila dicelupkan kedalam larutan...
C2H5OH
HCOOH
KOH
HClO4
HCL
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pasangan asam-basa konjugasi dari reaksi: CH3COOH + HNO2 →CH3COOH2+ + NO2- adalah ….
CH3COOH2+ dan HNO2
CH3COOH2+ dan NO2
CH3COOH2+ dan CH3COOH
CH3COOH dan HNO2
CH3COOH dan NO2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Asam konjugasi CH3COO- adalah....
CH3COOH
OH-
CH3COO-
H3O+
H+
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pasangan yang merupakan basa dan asam konjugasi pada reaksi: HPO42-(aq) + HNO3(aq) → H2PO4-(aq) + NO3(aq) adalah..
HPO42-(aq) dan HNO3(aq)
H2PO4-(aq) dan NO3(aq)
HPO42-(aq) dan NO3(aq)
HNO3(aq) dan H2PO4-(aq)
HPO42-(aq) dan H2PO4-(aq)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi yang menunjukkan bahwa HClO4 adalah basa adalah…..
HClO4 + NH2- ⇌ ClO4- + NH3
HClO4 + NH3 ⇌ ClO4- + NH4+
HClO4 + H2O ⇌ ClO4- + H3O+
HClO4 + OH- ⇌ ClO4- + H2O
HClO4 + N2H5+ ⇌ H2ClO4- + N2H4
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