Acids And Bases

Question 1

(Arhenius theory) Acid

Answer 1

An acid is a substance that dissociates in water to form H+ ions

Question 2

(Arhenius theory) Base

Answer 2

A base is a substabce that dissociates in water to form OH- ions

Question 3

(Bronsted-Lowry) Acid

Answer 3

An acid is a substance that donates protons (hydrogen ions)

Question 4

(Bronsted-Lowry) Base

Answer 4

A base is a substance that accepts protons (H+ ions)

Question 5

Strong acid/weak acid

Answer 5

Good/Poor proton donor

Question 6

Strong base/weak base

Answer 6

Good/Poor proton acceptor

Question 7

Amphoteric

Answer 7

A substance that can act as both an acid and a base

Question 8

When an acid donates a proton…

Answer 8

it changes into its conjugate base

Question 9

when a base accepts a proton…

Answer 9

it changes into its conjugate acid

Question 10

A conjugate acid-base pair

Answer 10

is any pair consisting of an acid and a base that differ by one proton

Question 11

Neutralisation

Answer 11

The reaction between an acid and a base to produce a salt and water