P Block Elements Question 220

Question: The oxidation number of phosphorus vary from

[Kurukshetra CEE 1998; DCE 2001]

Options:

A) -1 to +3

B) -3 to +3

C) -3 to +5

D) -5 to +1

Show Answer

Answer:

Correct Answer: C

Solution:

-3 to +5 $ PH_3(-3) $ and $ H_3PO_4(+5) $