Oxidation number of iodine in IO3−​,IO4−​,KI and I2​ respectively are____________.A−1,−1,0,+1B+3,+5,+7,0C+5,+7,−1,0D−1,−5,−1,0E−2,−5,−1,0

Oxidation number of oxygen is−2andKis+1.InIO3−​,oxidation number of iodine is(x+3(−2)=−1,x=+5)+5.
InIO4−​,oxidation number of iodine is(x+4(−2)=−1,x=+7)+7.
InKI,oxidation number of iodine is(1+x=0,x=−1)−1.
InI2​,oxidation number of iodine is0.