NEET2013Chemistry-Periodic Table
NEET 2013 Chemistry Electron Gain Enthalpy MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which one of the following arrangements represents the correct order of least negative to most negative electron gain enthalpy for C, Ca, Al, F and O?
A
Al < Ca < O < C < F
B
Al < O < C < Ca < F
C
C < F < O < Al < Ca
D
Ca < Al < C < O < F
Correct Answer
Option D
Detailed Explanation
Electron gain enthalpy becomes more negative across a period and less negative down a group. Fluorine has the most negative electron gain enthalpy.
Found an issue with this question?