NEET2016Chemistry-Periodic Table
NEET 2016 Chemistry Periodic Trends MCQ Question
Type: MCQ-conceptual-Medium-Class 11
In which of the following options the order of arrangement does not agree with the variation of property indicated against it?
A
B < C < N < O (increasing first ionisation enthalpy)
B
I < Br < Cl < F (increasing electron gain enthalpy)
C
Li < Na < K < Rb (increasing metallic radius)
D
Al³⁺ > Mg²⁺ < Na⁺ < F⁻ (increasing ionic size)
Correct Answer
Option A
Detailed Explanation
The correct order for electron gain enthalpy is F > Cl > Br > I.
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