Which of the following are products of the following reaction in the presence of sunlight? CH4+Cl2→ ?
Correct answer: D. All of these
- A. CHCl3
- B. CCl4
- C. CH2Cl2, CH3Cl
- D. All of these
Explanation
It shows a free radical substitution reaction in which UV light (sunlight) is used to substitute the Hs of the CH4. Either all of the H's can be substituted (eg: CCl4 ), or some of the H's (eg: CHCl3) can be substituted.
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About Free Radical Substitution
Free radical substitution explains how alkanes react with halogens under ultraviolet light or heat through initiation, propagation and termination steps. The mechanism involves homolytic bond fission and radical intermediates, while product formation depends on the relative stability of radicals and differs from ionic substitution.
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