Acide-Base Test 1
Authored by Thomas Baliros
Chemistry
12th Grade
Used 28+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Une espèce amphotère est une espèce capable de :
capable de faire des réactions acide-base et oxydo-réduction
capter ou céder un proton
céder plusieurs protons
capter plusieurs protons
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Un acide est une espèce capable de :
céder un électron
capter un électron
capter un proton
céder un proton
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Le groupe carboxyle -COOH présente un caractère :
acide
basique
neutre
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Le groupe amine -NH2 présente un caractère :
acide
basique
neutre
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Plus la concentration en H3O+ augmente, plus :
le pH augmente
le pH diminue
cela n'a pas d'influence sur le pH
il fait chaud
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
La base conjuguée de l'eau est :
HO-
H3O+
H+
H2O+
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Les couple acide-base intervenant dans l'équation NH4+ + HO- → NH3 + H2O sont :
NH4+/HO- et NH3/H2O
NH4+/NH3 et HO-/H2O
NH4+/NH3 et H2O/HO-
NH4+/HO- et H2O/NH3
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