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JEE Main 20253 AprilEvening Shift
Exam
JEE Main
Year
2025
Date
3 April
Shift
Evening Shift
Subject
Chemistry
Chapter
d and f Block Elements

JEE Main 2025 · 3 April · Evening Shift · Chemistry · d and f Block Elements

Among, Sc, Mn, Co and Cu , identify the element with highest...

Among, Sc,Mn,Co\mathrm{Sc}, \mathrm{Mn}, \mathrm{Co} and Cu , identify the element with highest enthalpy of atomisation. The spin only magnetic moment value of that element in its +2 oxidation state is _____ BM (in nearest integer).Among, Sc, Mn, Co and Cu , identify the element with highest enthalpy of atomisation. The spin only magnetic moment

Correct answer

0

Step-by-step solution

ScMnCoCu
Enthalpyof</td></tr><tr><td>Atomisation</td></tr><tr><td>(kJ/mole)\begin{array}{l} Enthalpy of</td></tr><tr><td>Atomisation</td></tr><tr><td>(kJ/mole)\end{array}326281425339

Highest Co
\mathrm{Co}^{+2}=((\mathrm{Ar}) 3 \mathrm{~d}^7/><imgsrc="https://cdn−question−pool.getmarks.app/pyq/jeemain/HoLdwICLT7h9hmziv−S−r5pYpI8h8wvICZd−jGZbtE8.original.fullsize.png"/><br/>/><img src="https://cdn-question-pool.Quantrex.app/pyq/jee_main/HoLdwICLT7h9hmziv-S-r5pYpI8h8wvICZd-jGZbtE8.original.fullsize.png"/><br /><br/>n=3<br>μ=15=3.87<br/>\begin{aligned}<br />& \mathrm{n}=3 \\<br>& \mu=\sqrt{15}=3.87<br />\end{aligned}<br/>Nearestinteger<br />Nearest integer=4
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