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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",11,"createdOn",1756744302186,"updatedOn","questionsCount",24748,"courseCount",9,"examKey","questionData",{"_369":410,"_411":412,"_413":414,"_278":416,"_417":418,"_263":370,"_419":420,"_110":421,"_422":423,"_424":425},"eZSTNCWkGLMkYynTxWHMSvNWoay5aH","q","The oxidation state of phosphorus in hypophosphoric acid is + _____________.","ans",[415],"4","2023 - 31st January Morning Shift","course","chemistry","exp","Hypophosphoric acid H₄P₂O₆\n

Oxidation state is +4\n

$\"JEE$ ",21,"t","exact_and","points",1.5,"21","initComment","initReply","actionData","errors"]

JEE MAIN - Chemistry (2023 - 31st January Morning Shift - No. 21)

Explanation

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