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Practicing real exam questions helps you understand the exam pattern, improve accuracy, and boost your JEE score. Perfect for students aiming for top ranks in IIT-JEE.","tags","jee main joint entrance examination india","version","vip","location",{"_391":392,"_393":394},"type","Point","coordinates",[395,396],79.0888,21.1466,"in","priority",14,"createdOn",1756744302186,"updatedOn","questionsCount",24748,"courseCount",9,"examKey","questionData",{"_369":410,"_411":412,"_413":414,"_278":416,"_417":418,"_263":370,"_110":419,"_420":421,"_422":423},"5fHk7cftGZzOJIhcK5klrwfDMtZoa7","q","यौगिकों (A), (B) और (C) में आयरन अणुओं के आक्सीकरण अवस्थाएँ क्रमशः x, y और z हैं। x, y और z का योग ________ है।\n

Na₄[Fe(CN)₅(NOS)]\n
       (A)\n

Na₄[FeO₄]\n
       (B)\n

[Fe₂(CO)₉]\n
       (C)","ans",[415],"6","2020 - 2nd September Morning Slot","course","chemistry-hindi",2,"t","exact_and","points",1.5,"2","initComment","initReply","actionData","errors"]

JEE MAIN - Chemistry Hindi (2020 - 2nd September Morning Slot - No. 2)

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