কোন বিক্রিয়াটি স্বতঃস্ফূর্তভাবে ঘটে?

A \( \mathrm{Cl}_{2}(\mathrm{~g})+2 \mathrm{NaF} \) (জলীয়) \( \rightarrow \mathrm{F}_{2} \) (g) +2 NaCl (জলীয়)

B \( \mathrm{I}_{2}(\mathrm{~g})+2 \mathrm{NaF} \) (জলীয়) \( \rightarrow \mathrm{F}_{2}(\mathrm{~g})+2 \mathrm{NaI} \) (জলীয়)

C \( \mathrm{Cl}_{2}(\mathrm{~g})+2 \mathrm{NaBr} \) (জলীয়) \( \rightarrow \mathrm{Br}_{2} \) (l) +2 NaCl (জলীয়)

D \( \mathrm{I}_{2} \) (g) +2 NaBr (জলীয়) \( \rightarrow \mathrm{Br}_{2} \) (l) +2 NaI (জলীয়)

Solution

Correct Answer: Option C

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