Redox Reactions And Electrochemistry Ques 439

Question: The oxidation number of phosphorus in $ Ba{{(H_2PO_2)}_2} $ is [Kurukshetra CEE 1998; DCE 2004]

Options:

A) - 1

B) + 1

C) + 2

D) + 3

Show Answer

Answer:

Correct Answer: B

Solution:

$ Ba{{(H_2\overset{*}{\mathop{P}},O_2)}_2} $ ;
$ BaH_4\overset{*}{\mathop{P_2}},O_4 $
$ 2+4+2x-8=0 $ ; $ 2x=2 $ $ x=\frac{2}{2}=+1 $ .



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