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 $ .



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