JAMB Chemistry 2010 Objective — Question 45

Question 45 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2010 Objective paper, with the correct answer and a full explanation.

45. The final products of the reaction between methane and chlorine in the presence of ultraviolet light are hydrogen chloride and A. tetrachloromethane B. chloromethane C. trichloromethane D. dichloromethane

A. tetrachloromethaneCorrect
B. chloromethane
C. trichloromethane
D. dichloromethane

Explanation

The reaction between methane and chlorine ultimately gives tetrachloromethane; this occurs in steps: CH4 -> CH3Cl -> CH2Cl2 -> CHCl3 -> CCl4.

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