Chemistry - Ionic equations

Question 1

What is an ionic equation

Answer 1

An equation showing only the ions that take part in a chemical reaction.

Question 2

What are the spectator ions?

Answer 2

Ions that do not change during a reaction and are left out of the ionic equation.

Question 3

List

Ionic equation for neutralisation of HCl with NaOH.

Answer 3

H⁺ + OH⁻ > H₂O

Question 4

List

Ionic equation for precipitation of sliver chloride from AgNO₃ and NaCl.

Answer 4

Ag⁺ + Cl⁻ > AgCl

Question 5

What is the charge of a sulfate ion?

Answer 5

SO₄²⁻

Question 6

What is the charge of a nitrate ion?

Answer 6

NO₃⁻

Question 7

What is the charge of a hydroxide ion?

Answer 7

OH⁻

Question 8

What is the charge of a carbonate ion?

Answer 8

CO₃²⁻

Question 9

What is the charge of an ammonium ion?

Answer 9

NH₄⁺

Question 10

What is the charge of a phosphate ion?

Answer 10

PO₄³⁻

Question 11

What is the charge of a hydrogen ion?

Answer 11

H⁺

Question 12

What is the charge of a chloride ion?

Answer 12

Cl⁻

Question 13

What is the charge of a sodium ion?

Answer 13

Na⁺

Question 14

What is the charge of a calcium ion?

Answer 14

Ca²⁺

Question 15

What is the charge of an aluminium ion?

Answer 15

Al³⁺

Question 16

What is the charge of an ethanoate ion?

Answer 16

CH₃COO⁻