Question

oxidation state of
SO4-2​

Answer 1

Answer:

For example, in sulfate ion (SO42-), each oxygen has an oxidation number of -2, whereas sulfur has an oxidation number of +6.

Answer 2

$\huge{ \boxed{ \purple{-2 }}}$

$\huge{ \boxed{ \blue{Explanation }}}$

For example, in sulfate ion (SO42-), each oxygen has an oxidation number of -2, whereas sulfur has an oxidation number of +6.