Question:

Identify the wrong statement in the following.

Updated On: Aug 6, 2024
  • Amongst isoelectronic species, smaller the positive charge on the cation, smaller is the ionic radius
  • Amongst isoelectronic species, greater the negative charge on the anion, larger is the ionic radius
  • Atomic radius of the elements increases as one moves down the first group of the periodic table
  • Atomic radius of the elements decreases as one moves across from left to right in the 2nd period of the periodic table
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The Correct Option is A

Solution and Explanation

Ionic size $\propto \frac{1}{\text { charge on cation }}$
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Haloalkanes and Haloarenes - Classification

Classification of Haloalkanes and Haloarenes are as follows:

Haloalkanes and Haloarenes are Classified on the Basis of the Number of Halogen Atoms:

These are further classified as mono, di, or polyhalogen (tri-,tetra-, etc.) compounds depending on whether they contain one, two or more halogen atoms in their structures. For example;

  • Monohaloalkane
  • Dihaloalkane
  • Trihaloalkane

Haloalkanes and Haloarenes are Classified on Compounds Containing sp3 C—X Bond (X= F, Cl, Br, I)

This class includes:

  • Alkyl halides or haloalkanes (R—X)
  • Allylic halides
  • Benzylic halides

Haloalkanes and Haloarenes are Classified on Compounds Containing sp2 C—X Bond

This class includes:

  • Vinylic halides
  • Aryl halides