Which of the following order is wrong : -

Question

( A ) $Li$ < $Be$ < $B $< $C $–$ I^{st} IP$
( B ) $NH_3$ < $PH_3$ < $AsH_3$ – Acidic
( C ) $Al_2O_3$ < $MgO$ < $Na_2 O $< $K_2O$ - Basic
( D ) $Li^+$ < $Na^+$ <$ K^+$ < $Cs^+$ - Ionic radius</span>