The halogen which gives `O_2` with hot conc. NaOH is
The halogen which gives `O_2` with hot conc. NaOH is
A. `I_2`
B. `Br_2`
C. `Cl_2`
D. `F_2`
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Correct Answer - D
Only `F_2` gives `O_2` with hot conc. NAOH
`4NaOH + 2F_2 to 2NaF + 2H_2O + O_2`
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