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# Reducing nature of $H_2O_2:H_2O_2\rightarrow x+y+z$. $z$ is

$(a)\;2e^-\qquad(b)\;e^-\qquad(c)\;2e^+\qquad(d)\;2e$

$H_2O_2\rightarrow 2H^++O_2+2e^-$
Hence $z$ is $2e^-$