Acids and Bases

True or False.

Electrolytes e.g. NaCl ionize when dissolved in water, separating into positive and negative ions (charged particles) e.g. Na⁺ and Cl^-

• True

• False

Tags

NGSS.HS-PS1-3

Which type of substance yields hydrogen ions, H⁺, in an aqueous solution?

• an Arrhenius acid

• an Arrhenius base

• a saturated hydrocarbon

• an unsaturated hydrocarbon

True or False.

A hydrogen ion H⁺ is also known as a proton.

• True

• False

Arrhenius acids __________.

• dissociate to make H⁺ ions in solution

• dissociate to make OH^- ions in solution

• are proton acceptors

• have pH values higher than 7

Which of the following is an Arrhenius base?

• HNO₃

• NH₃

• CsOH

• HC₂H₃O₂

An Arrhenius base:

• donates H+

• accepts H+

• produces H+

• produces OH-

An Arrhenius acid:

• donates H+ to another substance

• accepts H+ from another substance

• produces H+

• produces OH-

What is being donated/accepted between conjugate acid-base pairs?

• a hydrogen (H+) ion

• a hydroxide (OH-) ion

• water

• a neutron

A Bronsted Lowry base:

• donates H+ to another substance

• accepts H+ from another substance

• produces H+

• produces OH-

What is the conjugate base in the following reaction?

• HCO₃^-

• HCl

• H₂CO₃

• Cl-