Which one of the following reactions of Xenon compounds is not feasible ?

Question

( A ) $XeO_3 + 6 HF \to XeF_6 + 3 H_2O$
( B ) $XeF_6+ RbF \to Rb(XeF_7]$
( C ) $3XeF_4 + 6H_2O \to 2Xe + XeO_3 + 12 HF + 1.5 O_2$
( D ) $2XeF_2 + 2H_2O \to 2Xe + 4HF + O_2$