Question:

Among the following which one has the highest cation to anion size ratio?

Updated On: Aug 1, 2024

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The Correct Option is A

Solution and Explanation

The order of size of given cations is ${Li^{+} < Na^{+} < Cs^{+}}$ and the order of size of given anions is ${I^{-} > F^{-}}$ .
Thus, when the cation is largest and anion is smallest, the cation to anion size ratio is maximum. Hence, cation to anion size ratio is maximum for $CsF$.

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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