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JEE Main 201411 AprilOnline
Exam
JEE Main
Year
2014
Date
11 April
Mode
Online
Subject
Chemistry
Chapter
Classification of Elements and Periodicity in Properties

JEE Main 2014 · 11 April · Online · Chemistry · Classification of Elements and Periodicity in Properties

Which of the following series correctly represents relations...

Which of the following series correctly represents relations between the elements from X\mathrm{X} to Y\mathrm{Y} ? X→Y\mathrm{X} \rightarrow \mathrm{Y}

Options

  1. A3Li→19 K{ }_3 \mathrm{Li} \rightarrow{ }_{19} \mathrm{~K} Ionization enthalpy increases
  2. B9 F→35Br{ }_9 \mathrm{~F} \rightarrow{ }_{35} \mathrm{Br} Electron gain enthalpy (negative sign) increases
  3. C6C→32Ge{ }_6 \mathrm{C} \rightarrow{ }_{32} \mathrm{Ge} Atomic radii increases
  4. D18Ar→54Xe{ }_{18} \mathrm{Ar} \rightarrow{ }_{54} \mathrm{Xe} Noble character increases

Correct answer

C. 6C→32Ge{ }_6 \mathrm{C} \rightarrow{ }_{32} \mathrm{Ge} Atomic radii increases

Step-by-step solution

On moving down a group atomic radii increases.
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