Redox Reactions And Electrochemistry Ques 430
Question: Phosphorus has the oxidation state of +3 in [NCERT 1982; RPMT 1999]
Options:
A) Orthophosphoric acid
B) Phosphorus acid
C) Metaphosphoric acid
D) Pyrophosphoric acid
Show Answer
Answer:
Correct Answer: B
Solution:
$ \overset{*}{\mathop{H_3PO_3,}}, $ $ 3+x-2\times 3=0 $ ; $ x=6-3=+3 $ .
