Question

what is the oxidation number of cl in hclo4

Answer 1

hey here is your answer

HCLO4

LET THE OXIDATION STATE OF CL BE X

NOW CHARGE ON H=+1
CHARGE ON O=-2

NOWW X+1+4(-2)=0
X+1-8=0
X=+7

SO OXIDATION STATE OF CLORINE IS +7

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