Carbonsäuren
Authored by Tanja Bittler
Chemistry
10th Grade
Used 3+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kreuze alle richtigen Aussagen an:
Alkansäuren ...
... sind organische Säuren.
... besitzen eine Carboxylat-Gruppe.
... enthalten ein acides H-Atom.
... sind Protonendonatoren.
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kreuze die zutreffende(n) Aussage(n) an:
Bei der Protolyse der Ethansäure entstehen ...
Ethanoat-Ionen und Säurerest-Ionen
Acetat-Ionen und Oxonium-Ionen
Ethanoat-Ionen und Hydroxid-Ionen
Säurerest-Ionen und Oxonium-Ionen.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Welche Formel beschreibt die Ameisensäure?
CH3COOH
H2CO
H2CO3
HCOOH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Welcher Name ist zutreffend?
2-Hydroxybutansäure
2-Hydroxypentansäure
4-Hydroxypentansäure
4-Carboxybuntan-2-ol
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Welche Aussagen treffen zu?
Das Molekül ...
... ist hydrophil.
...ist lipophob.
... bildet H-Brücken zu Wassermolekülen.
... kann Dimere bilden.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Welches der folgenden Moleküle besitzt die höchste Siedetemperatur?
Methansäure
Ethansäure
Ethanol
Ethanal
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Das H-Atom der der Carboxyl-Gruppe ist ...
... positiv polarisiert.
... negativ polarisiert.
... positiv geladen.
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