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  4. Oxygen will directly react with each of the following elements except?

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Q. Oxygen will directly react with each of the following elements except?

AIPMTAIPMT 1989The p-Block Elements - Part2

Solution:

Out of P, Na, S and Cl, chlorine does not react directly but Na, P and S react with oxygen directly.
$ \, \, \, \, \, \, \, P_4 + 5O_2 \longrightarrow \, P_4O_{10} $
$ \, \, \, \, \, \, \, \, \, S + O_2 \longrightarrow \, SO_2 $
$ \, \, \, \, \, \, \, 4Na + O_2 \longrightarrow \, 2Na_2O $