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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},"SFrrjhKw8vnytBTw6a0o9vQzlsce71","q","Number of electrons present in 4f orbital of Ho³⁺ ion is ____________. (Given Atomic No. of Ho = 67)","ans",[415],"10","2021 - 25th July Evening Shift","course","chemistry","exp","Ho = [Xe]4f¹¹6s²

Ho³⁺ = [Xe] 4f¹⁰

So number of e^$$-$$ present in 4f is 10.",18,"t","exact_and","points",1.5,"18","initComment","initReply","actionData","errors"]

JEE MAIN - Chemistry (2021 - 25th July Evening Shift - No. 18)

Explanation

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