Required Equations

Question 1

What is the equation that shows cold Sodium Hydroxide and Chlorine Gas?

Answer 1

Cl2 (g) + 2NaOH (l) –> NaClO (aq) + NaCl (aq) + H2O (l)

Question 2

What is the equation that shows hot concentrated Sodium Hydroxide and Chlorine Gas?

Answer 2

6NaOH (aq) + 3Cl2 (aq) –> 5NaCl (aq) + NaClO3 (aq) + 3H2O (l)

Question 3

What does Chlorine undergo when reacting with water or Sodium Hydroxide?

Answer 3

Chlorine undergoes disproportionation reactions

Question 4

What is a disproportionation reaction?

Answer 4

When the same element in a reaction is reduced and oxidised.

Question 5

What is the equation that shows the reaction between Chlorine and Water?

Answer 5

Cl2 + H2O (l) –> HClO (aq) + HCl (aq)

Question 6

What’s the word equation for water reacting with chlorine?

Answer 6

Chlorine + Water –> Chloric (I) acid + Hydrochloric Acid

Question 7

What’s the word equation for chlorine reacting with cold NaOH?

Answer 7

Chlorine + Sodium Hydroxide –> Sodium Chlorate (I) + Sodium Chloride + Water

Question 8

What’s the word equation for chlorine reacting with cold NaOH?

Answer 8

Chlorine + Sodium Hydroxide –> Sodium Chlorate (V) + Sodium Chlorate (I) + Water

Question 9

What is disproportionation?

Answer 9

When an element in a reaction is both oxidised and reduced.

Question 10

What element undergoes disproportionation when chlorine reacts with water?

Answer 10

Chlorine

Question 11

What element undergoes disproportionation when chlorine reacts with Sodium Hydroxide?

Answer 11

Chlorine