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I saw a question here under 2020 chem. past question, pg 2; what is the...

I saw a question here under 2020 chem. past question, pg 2; what is the oxidation state of chlorine in potassium chlorate: a.+1, b.+2, c.+3, d.+5, e.+7 were the options, the answer chosen was d. While from own understanding of redox reactions i think its a. but, there is no explanation. Please can anybody clear my doubt.?
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Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Your School's Whatsapp Group - Join Us now