Write a balanced chemical equation for the reaction of chlorine with? – NABTEB QUESTION

i. An aqueous solution of sulphur IV oxide.

Cl2 (g) +SO2 (g) +2H2O(g) → H2SO4 (aq) + 2HCl(aq)

ii. A metal (No metal is specified)

ii. 2X +Cl2 → 2XCl2
OR ⇒ X +Cl2 → XCl2
OR ⇒ 2X+3Cl2 → 2XCl3

iii. Potassium iodide

2Kl (aq) + Cl2(g) → 2KCl (aq) +I2(s)

iv. Ethene

Cl2+ C2H4 → C2H2Cl4

v. Ethyne

2Cl2 + C2H2 → C2H2Cl4