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Which of the following reaction is a combination reaction?(a) X + YZ → XZ + Z(b) 2F2 + 2OH^– → 2F^– + OF2 + H2O(c) 2NaH → 2Na + H2(d) S + O2 → SO2The question was posed to me in class test.I need to ask this question from Redox Reactions and Electrode Processes topic in section Redox Reactions of Chemistry – Class 11

Answer»

Correct option is (d) S + O2 → SO2

The explanation is: Only the reaction; S + O2 → SO2 is a chemical combination reaction, WHEREAS X + YZ → XZ + Z and 2F2 + 2OH^– → 2F^– + OF2 + H2O are disproportionation REACTIONS and 2NaH → 2Na + H2 is a chemical decomposition reaction.



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