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Among the following mixtures, dipole-dipole as the major interaction, is present in: [AIEEE-2006]
- a)KCI and water
- b)Benzene and carbon tetrachloride
- c)Benzene and ethanol
- d)Acetonitrile and acetone
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
Among the following mixtures, dipole-dipole as the major interaction, ...
Dipole-dipole interaction is strongest between molecules where there is a large electronegativity difference between adjacent atoms. In acetonitrile and acetone there is a big electronegativity difference between carbon and nitrogen and carbon and oxygen respectively. Hence b is the answer.
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Among the following mixtures, dipole-dipole as the major interaction, ...
Explanation:
In this question, we are given four mixtures and we need to identify the mixture in which dipole-dipole interactions are the major interaction.
Dipole-Dipole Interactions:
Dipole-dipole interactions occur between polar molecules. These interactions arise due to the attraction between the positive end of one polar molecule and the negative end of another polar molecule.
Analysis of the options:
a) KCI and water:
KCI is an ionic compound, which means it consists of positive and negative ions. Water is a polar molecule. In this mixture, the interaction between KCI and water is primarily ion-dipole interaction, not dipole-dipole interaction. Therefore, option 'a' is not the correct answer.
b) Benzene and carbon tetrachloride:
Benzene is a nonpolar molecule, and carbon tetrachloride is also a nonpolar molecule. Nonpolar molecules do not have dipole moments, so they do not exhibit dipole-dipole interactions. Therefore, option 'b' is not the correct answer.
c) Benzene and ethanol:
Benzene is a nonpolar molecule, and ethanol is a polar molecule. However, the major interaction between benzene and ethanol is due to London dispersion forces, not dipole-dipole interactions. Therefore, option 'c' is not the correct answer.
d) Acetonitrile and acetone:
Acetonitrile and acetone are both polar molecules. They have dipole moments and can exhibit dipole-dipole interactions. Therefore, option 'd' is the correct answer.
Conclusion:
Among the given options, the mixture in which dipole-dipole interactions are the major interaction is option 'd' (Acetonitrile and acetone).
In this question, we are given four mixtures and we need to identify the mixture in which dipole-dipole interactions are the major interaction.
Dipole-Dipole Interactions:
Dipole-dipole interactions occur between polar molecules. These interactions arise due to the attraction between the positive end of one polar molecule and the negative end of another polar molecule.
Analysis of the options:
a) KCI and water:
KCI is an ionic compound, which means it consists of positive and negative ions. Water is a polar molecule. In this mixture, the interaction between KCI and water is primarily ion-dipole interaction, not dipole-dipole interaction. Therefore, option 'a' is not the correct answer.
b) Benzene and carbon tetrachloride:
Benzene is a nonpolar molecule, and carbon tetrachloride is also a nonpolar molecule. Nonpolar molecules do not have dipole moments, so they do not exhibit dipole-dipole interactions. Therefore, option 'b' is not the correct answer.
c) Benzene and ethanol:
Benzene is a nonpolar molecule, and ethanol is a polar molecule. However, the major interaction between benzene and ethanol is due to London dispersion forces, not dipole-dipole interactions. Therefore, option 'c' is not the correct answer.
d) Acetonitrile and acetone:
Acetonitrile and acetone are both polar molecules. They have dipole moments and can exhibit dipole-dipole interactions. Therefore, option 'd' is the correct answer.
Conclusion:
Among the given options, the mixture in which dipole-dipole interactions are the major interaction is option 'd' (Acetonitrile and acetone).
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Among the following mixtures, dipole-dipole as the major interaction, is present in: [AIEEE-2006]a)KCI and waterb)Benzene and carbon tetrachloridec)Benzene and ethanold)Acetonitrile and acetoneCorrect answer is option 'D'. Can you explain this answer?
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