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Which of the following is incorrect orde...

Which of the following is incorrect order ?
(A) Acidic strength :- `NH_3` < `PH_3` < `AsH_3`
(B) Ionisation energy :- `C` < `O` < `N` < `F`
(C) Electron affinity :- `I` < `Br` < `F` < `Cl`
(D) Bond polarity :-`HCl` < `HF` < `HBr`

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