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Physical Properties of Haloalkanes and Haloarenes

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Physical Properties of Haloalkanes and Haloarenes

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Questions and Answers

Why does the melting point temperature of a compound increase?

Due to the formation of the lattice structure

Due to the breaking of the lattice structure

Due to the increase in lattice structure (correct)

Due to the decrease in lattice structure

What is the relationship between the mass of a compound and its density?

Density is inversely proportional to the mass

Density is directly proportional to the mass (correct)

Density is not related to the mass

Density is proportional to the square of the mass

Why are derivatives of fluorine less dense than derivatives of chlorine?

Because fluorine has a higher atomic mass

Because chlorine has a higher atomic mass

Because fluorine has a lower atomic mass (correct)

Because chlorine has a lower atomic mass

What is the effect of increasing the number of carbon and halogen atoms on the density of a compound?

The density increases Signup and view all the answers

Why do haloalkanes and haloarenes have low solubility in water?

Because they are polar compounds Signup and view all the answers

What is the reason for the low stability of the R-X bond in haloalkanes and haloarenes?

Due to the low polarity of the R-X bond Signup and view all the answers

What is the arrangement of relative densities of alkyl halides?

RI > RBr > RCl Signup and view all the answers

What is the effect of increasing the atomic mass of the halogen atom on the density of alkyl halides?

The density increases Signup and view all the answers

Why do haloalkanes and haloarenes not develop new H-bonds with water?

Because of the polarity difference between the compounds Signup and view all the answers

What is the reason for the immiscibility of haloalkanes and haloarenes with water?

Because of the energy required for dissolution and breaking of the R-X bond Signup and view all the answers