conjugate acids and bases, pH and pOH

conjugate acids and bases, pH and pOH

10th - 12th Grade

12 Qs

quiz-placeholder

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conjugate acids and bases, pH and pOH

conjugate acids and bases, pH and pOH

Assessment

Quiz

Chemistry

10th - 12th Grade

Medium

NGSS
HS-PS1-1

Standards-aligned

Created by

Murni Samsuddin

Used 112+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An Arrhenius acid must contain ___ and ionize to produce ___.
hydrogen ions; a solution with a pH greater than 7
hydrogen; hydrogen ions
hydroxide ion; hydroxide ions
hydroxide ion; a solution with a pH greater than 7

Tags

NGSS.HS-PS1-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

According to Brønsted-Lowry theory of acids and bases, a base is ___.
a proton acceptor
a proton donor
a compound that dissolves in water to produce OH-
an electron donor

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The conjugate base of H2SO4 is ___.

H2SO3

HSO4-

H3SO4+

SO4-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the reaction represented by  H2C2O4+CH3NH2    HC2O4+CH3NH3+,H_2C_2O_4+CH_3NH_2\ \ \rightarrow\ \ HC_2O_4^-+CH_3NH_3^+,   Which of these is a conjugate acid to the base  CH3NH2CH_3NH_2 ?

None

 H2C2O4H_2C_2O_4  

 CH2NH3+CH_2NH_3^+  

 HC2O4HC_2O_4^-  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the conjugate acid of water?

OHOH^-

H3O+H_3O^+

H2O2H_2O_2

HOHHOH

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The value of Kw at 25 oC is always _____________

1.0 x 10-11

1.0 x 10-12

1.0 x 10-13

1.0 x 10-14

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the highest concentrations of Hydronium (H3O+) and Hydroxide (OH-) ions that can coexist in a water solution

1.0 x 10 -14 each

1.0 x 100 and 1.0 x 10-14

1.0 x 10-7 each

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