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These resources are designed to help you familiarize yourself with the exam format, identify key topics, and practice effectively. Whether you're preparing for the May/June or GCE sessions, our curated materials provide both objective and theory questions to enhance your study sessions.","tags","waec nigeria west africa examination council","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",10,"createdOn",1755991949910,"updatedOn","questionsCount",27220,"courseCount",23,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":414,"_415":416,"_263":370,"_417":418,"_419":420,"_110":425},"KY0BTHXNqCnNDvBBjcYb4MlLkOI3tE","q","Consider the following reaction equation:
\nSO₄^2-_(aq) + 2H⁺_(aq) + ye^- \\(\\to\\) SO₄^2-_(aq) + H₂O₍₁₎.
\n
\nThe value of y in the equation is","ans",[95],"2015","course","chemistry","exp","from the reaction, the total charge on the left side = The total charge on the right side
\n
\n-2 + 2 + y = -2 : y = -2 : y = 2","opts",[421,422,423,424],"2","3","4","6",22,"22","initComment","initReply","actionData","errors"]

WAEC - Chemistry (2015 - No. 22)

Explanation

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