Question

What is the oxidation state of $P$ in $Ba(H_{2}PO_{2})_{2}$ ?

• A. 1
• B. 2
• C. 3
• D. -1

Answer 1

Answer: (A)

1

Answer 2

Let the oxidation state of $P$ is $x$, then $2(+1)+2[2(+1)+x+2(-2)]=0$ $2+2(2+x-4)=02+4+2 x-8$ $=02+2 x-4=0$ $2 x=2 x=+1$