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NEETChemistryClassification of Elements and Periodicity in Properties

Arrange the following elements in the decreasing order of their electronegativity: P , S , Cl , O , F Choose the correct answer from the options given below:

Options

  1. AF > O > Cl > S > P
  2. BCl > F > O > S > P
  3. CF > Cl > O > S > P
  4. DF > O > P > S > Cl

Correct answer

A. F > O > Cl > S > P

Step-by-step solution

Electronegativity increases across a period from left to right and decreases down a group from top to bottom. Among the given elements, F and O belong to Period 2, while P , S , and Cl belong to Period 3. Therefore, the Period 2 elements generally have higher electronegativity than the Period 3 elements. Across Period 2, electronegativity increases from O to F , so F > O . Across Period 3, electronegativity increases from P to Cl , so Cl > S > P . Combining these trends, the overall decreasing order of electronegat

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