Chlorine
Answers are for parents and teachers.
1
Mass of iron that reacts with 3 mol Cl₂ (2Fe + 3Cl₂ → 2FeCl₃, Aᵣ(Fe) = 56)?
112 g
2
How many mol of electrons pass from sodium to chlorine for 5 mol Na (each Na gives 1)?
5 mol
3
Formulas of the highest oxide and hydrogen compound of chlorine?
Cl₂O₇ and HCl
4
Write the oxidation states of chlorine in Cl₂ + 2KOH (cold) → KCl + KClO + H₂O.
Cl₂: 0; KCl: –1; KClO: +1.
5
Why must chlorine bleach never be mixed with other cleaning products?
Poisonous chlorine gas can be released; chemicals must not be mixed at home.