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Consider the partial equation. Br2 + NaF --> Which best completes the chemical equation?

no reaction

Na + FBr2

NaBr + F2

Na2F + Br2

User Houdmont
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2 Answers

4 votes
I believe the correct answer from the choices listed above is the first option. When Br2 and NaF are mixed, no reaction would occur since Br cannot replace F in NaF. Hope this answers the question. Have a nice day. Feel free to ask more questions.
User Schilli
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7.8k points
3 votes

Answer is (1) - no reaction.


Explanation;


Some of you may think this reaction as a single replacement reaction which gives NaBr + F₂ as products.


But, according to the reactivity of the halogens, reactivity decreases from up to bottom of the group. F is placed above Br. Hence, F is more reactive than Br. Hence, Br can't replace F.




User Akshata Bhat
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8.2k points
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