1.

The three important oxidation states of phosphorus are [Kerala (Med.) 2002]

A. \[-3,\,+3\] and \[+5\]
B. \[-3,\,+3\] and \[-5\]
C. \[-3,\,+4\] and \[-4\]
D. \[-3,\,+3\] and \[+4\]
Answer» B. \[-3,\,+3\] and \[-5\]


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