
transformation acide base
Authored by Ghina BOUHAIDAR
Chemistry
10th - 12th Grade
Used 33+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un acide de Brönsted est une espèce chimique capable de...
capter un ion H+
céder un ion H+
capter un électron
céder un électron
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une base de Brönsted est une espèce chimique capable de...
céder un ion H+
capter un ion H+
céder un électron
céder un électron
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un composé possédant le caractère acide et basique est un...
amphiphile
amphotère
acido-basique
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Parmi ces couples, lesquels sont des couples acide-base ?
Ag+/Ag
HCl/Cl-
HSO4-/SO42-
H3O+/HO-
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la base conjuguée de l'acide nitrique HNO3 ?
NO3-
HNO3-
H2NO4+
HNO4+
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Parmi les équations suivantes, lesquelles correspondent à une transformation acide-base ?
CH3NH2 + H3O+ → CH3NH3+ + H2O
HF = F- + H+
NH4+ + Cl- → NH4Cl
C9H8O4 + H2O → C9H7O4- + H3O+
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
À quelle condition une espèce chimique peut avoir un caractère acide ?
Si elle possède un hydrogène lié à un atome fortement électronégatif
Si elle possède un doublet non-liant
Si elle a une charge électrique globale positive
Si elle a une charge électrique globale négative
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