1(v)
Identify the equation that shows the reaction of ethane with chlorine in the presence of ultraviolet light.
- (a)C2H6 + Cl2 ⟶ C2H6Cl2
- (b)C2H6 + Cl2 ⟶ C2H4Cl2 + H2
- (c)C2H6 + Cl2 ⟶ C2H5Cl + HCl
- (d)C2H6 + Cl2 ⟶ 2CH3Cl
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C2H6 + Cl2 ⟶ C2H5Cl + HCl
Reason — In the presence of ultraviolet (UV) light, ethane (a saturated hydrocarbon) undergoes a substitution reaction with chlorine. One hydrogen atom of ethane is replaced by a chlorine atom forming chloroethane (C2H5Cl) and hydrogen chloride (HCl) is released.
C2H6 + Cl2 $\xrightarrow{\text{UV light}}$ C2H5Cl + HCl