Free Printable FINALS - CHEMISTRY 2 NO.3

Worksheets

FINALS - CHEMISTRY 2 NO.3

Total questions: 20

Worksheet time: 15mins

Name

Class

Date

If a substance has a pH of 10 it is considered

Acidic

Basic

Neutral

Acids produce _________ ions when they break down or dissocciate.

Hydroxide (OH-)

Water

Chlorine (Cl-)

Hydrogen (H+)

Bases release ____________ ions when they break down or dissociate.

Hydrogen (H+)

Hydroxide (OH-)

Chlorine (Cl-)

Water is neutral because the number of hydrogen and hydroxide ions is _________.

the same

different

The pH scale ranges from ____________.

0-7

1-100

1-20

0-14

Which of the following shows the correct conjugate acid base pair?

HCI (acid) / H₃O⁺ (conjugate base)

HCI (acid) / CI^- (conjugate base)

HCI (base) / CI^- (conjugate acid)

HCI (base) / H₃O⁺ (conjugate acid)

Which of the following shows the correct conjugate acid base pair?

H₂O (base) / H₃O⁺ (conjugate acid)

H₂O (acid) / CH₃COO^- (conjugate base)

CH₃COOH (acid) / H₃O⁺ (conjugate base)

CH₃COOH (base) / CH₃COO^- (conjugate acid)

Which of the following shows the correct conjugate acid base pair?

SO₃^2-(base) / HSO₃^- (conjugate base)

HPO₄^2- (acid) / HSO₃^-(conjugate base)

SO₃^2-(acid) / HSO₃^- (conjugate base)

HPO₄^2- (acid) / PO₄^3-(conjugate base)

An Arrhenius base:

donates H+

accepts H+

produces H+

produces OH-

10.

An Arrhenius acid:

donates H+ to another substance

accepts H+ from another substance

produces H+

produces OH-

11.

A hydrogen ion, H⁺, is the same as a(n):

neutron

electron

proton

hydroxide ion

12.

Forms a OH- hydroxide ion

Lewis Base

Arrhenius Base

Bronsted Lowry Base

Bronsted Lowry Acid

13.

The following statement is true for arrhenius acid and base EXCEPT

Arrhenius acid produces H⁺ ions

Arrhenius base produces OH^- ions

H₂O need to be present for arrhenius acid base to dissociate

Hydrogen atoms that make the solution acidic

14.

A Bronsted Lowry base:

donates H+ to another substance

accepts H+ from another substance

produces H+

produces OH-

15.

NH₃ + H₂O → NH₄⁺ + OH^-

NH₃ is a Bronsted Lowry

Acid

Base

conjugate acid

conjugate base

16.

HNO₃ + H₂O → H₃O⁺ + NO₃^1-

NO₃^1- is the conjugate base of

H₂O

HNO₃

H₃O⁺

none of the above

17.

HCO₃^- + H₂O → H₃O⁺ + CO₃^2-

Water is acting as

a Bronsted Lowry base

a Bronsted Lowry acid

a strong acid

a weak acid

18.

HC₂H₃O₂ + H₂O → H₃O⁺ + C₂H₃O₂^1-

HC₂H₃O₂is acting as

a conjugate base

a Bronsted Lowry base

a Bronsted Lowry acid

none of the above

19.

HBr is the conjugate acid of

Br^1-

Br₂

H₂Br

none of the above

20.

What is the conjugate base of H₂SO₄?

SO₄^2-

H₂SO₃

HSO₃^1-

HSO₄^1-

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FINALS - CHEMISTRY 2 NO.3

Total questions: 20

Worksheet time: 15mins

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