Single Choice

The correct order for increasing solubility of fluorides of alkali metals is_________.

A$$LiF < NaF < RbF < KF < CsF$$0
B$$LiF < RbF< NaF< KF < CsF$$
C$$LiF < RbF < KF < NaF < CsF$$
D$$LiF < NaF < KF < RbF < CsF$$
Correct Answer

Solution

As we move from top to bottom in the florides of alkali metals the solubility increases from Li to Cs, due to increase in the bond length and decrease in bond energy.
So the correct order of solubility of florides of alkali metals is $$LiF < NaF < KF < RbF < CsF$$
Hence option D is correct order.

SIMILAR QUESTIONS

s - block Elements (Alkali and Alkaline Earth Metals)

Chloride of an element $$A$$ gives neutral solution in water. In the periodic table, the element $$A$$ belongs to the:

s - block Elements (Alkali and Alkaline Earth Metals)

Li does not resemble with other alkali metals in following properties:

s - block Elements (Alkali and Alkaline Earth Metals)

Which of the following is not hygroscopic?

s - block Elements (Alkali and Alkaline Earth Metals)

Why is LiF almost insoluble in water whereas LiCl soluble not only in water but also in acetone?

s - block Elements (Alkali and Alkaline Earth Metals)

Why does the reaction proceed better with $$ KF $$ than with $$ NaF $$?

s - block Elements (Alkali and Alkaline Earth Metals)

Arrange the following in order of the increasing covalent character $$ MCI, MBr, MF, MI $$ ( where M =alkali metal).

s - block Elements (Alkali and Alkaline Earth Metals)

Which of the following has the lowest melting point ?

s - block Elements (Alkali and Alkaline Earth Metals)

For two ionic solids $$ CaO $$ and $$ KI $$ identify the wrong statement among the following ?

s - block Elements (Alkali and Alkaline Earth Metals)

Fill in the blanks : On heating $$ Rb(ICl_2) $$ will decompose giving _____ and ______

s - block Elements (Alkali and Alkaline Earth Metals)

The stability of the following alkali metal chlorides follows the order:

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