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JEE Main 202117 MarchMorning Shift
Exam
JEE Main
Year
2021
Date
17 March
Shift
Morning Shift
Subject
Chemistry
Chapter
Classification of Elements and Periodicity in Properties

JEE Main 2021 · 17 March · Morning Shift · Chemistry · Classification of Elements and Periodicity in Properties

The absolute value of the electron gain enthalpy of halogens...

The absolute value of the electron gain enthalpy of halogens satisfies:

Options

  1. AI>Br>Cl>FI > Br > Cl > F
  2. BCl>Br>F>ICl > Br > F > I
  3. CCl>F>Br>ICl > F > Br > I
  4. DF>Cl>Br>IF > Cl > Br > I

Correct answer

C. Cl>F>Br>ICl > F > Br > I

Step-by-step solution

Order of electron gain enthalpy

(Absolute value)

Cl>F>Br>ICl > F > Br > I

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