Easy MCQ +4 / -1 PYQ · JEE Mains 2023

The correct order of electronegativity for given elements is:

  1. A $\mathrm{C}>\mathrm{P}>\mathrm{At}>\mathrm{Br}$
  2. B $\mathrm{Br}>\mathrm{C}>\mathrm{At}>\mathrm{P}$ Correct answer
  3. C $\mathrm{Br}>\mathrm{P}>\mathrm{At}>\mathrm{C}$
  4. D $\mathrm{P}>\mathrm{Br}>\mathrm{C}>\mathrm{At}$

Solution

<p>Electronegativity is a measure of an atom's ability to attract shared electrons to itself. On the periodic table, electronegativity generally increases as we move from left to right across a period due to increase in effective nuclear charge.</p> <p>Here are the Pauling electronegativities for the elements:</p> <ul> <li>Carbon (C): 2.55</li><br/> <li>Phosphorus (P): 2.19</li><br/> <li>Astatine (At): 2.2</li><br/> <li>Bromine (Br): 2.96</li> </ul> <p>Based on these values, the correct order of electronegativity from highest to lowest is Br &gt; C &gt; At &gt; P.</p> <p>Therefore, Option B is the correct answer:</p> <p>Br &gt; C &gt; At &gt; P</p>

About this question

Subject: Chemistry · Chapter: Periodic Table and Periodicity · Topic: Periodic Trends

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