Transformation acide-base

Transformation acide-base

12th Grade

10 Qs

quiz-placeholder

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Transformation acide-base

Transformation acide-base

Assessment

Quiz

Chemistry

12th Grade

Practice Problem

Easy

Created by

Benoit Flasque

Used 22+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 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

1 min • 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

1 min • 1 pt

Un composé possédant le caractère acide et basique est un...

amphiphile

amphotère

acido-basique

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Parmi ces couples, lesquels sont des couples acide-base ?

Ag+/Ag

HCl/Cl-

HSO4-/SO42-

H3O+/HO-

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quelle est la base conjuguée de l'acide nitrique HNO3 ?

NO3-

HNO3-

H2NO4+

HNO4+

6.

MULTIPLE SELECT QUESTION

1 min • 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

1 min • 1 pt

Quelle est la relation correcte ?

pH = log([H3O+]c0)pH\ =\ \log\left(\frac{\left[H_3O^+\right]}{c^0}\right)

pH = log([H3O+]c0)pH\ =-\ \log\left(\frac{\left[H_3O^+\right]}{c^0}\right)

pH = log( [H3O+])c0pH\ =\ -\ \frac{\log\left(\ \left[H_3O^+\right]\right)}{c^0}

pH = log( [H3O+])c0pH\ =\ \ \frac{\log\left(\ \left[H_3O^+\right]\right)}{c^0}

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