Redox Reactions And Electrochemistry Ques 442
Question: Oxidation number of As atoms in $ H_3AsO_4 $ is [DPMT 2001]
Options:
A) - 3
B) + 4
C) + 6
D) + 5
Show Answer
Answer:
Correct Answer: D
Solution:
$ H_3AsO_4 $ $ +,3+x-2\times 4=0 $ ; $ x=8-3=+,5 $ .