The reason for the miscibility of pyridine in water and only slightly miscibility of benzene in water has to be determined. Concept introduction: Like dissolves like principle: ‘Like dissolves like’ principle says that polar compounds including ionic compound should be more soluble in polar solvent. Likewise, non–polar compound should be more soluble in non–polar solvent. Polar molecule: Polar molecules have large dipole moments. Non-Polar molecules: Non-polar molecules have bonded atoms with similar electronegativity results to have zero dipole moments. Solubility is the quantity of solute (solid, liquid or gas) that will dissolve in a given amount of solvent (solid, liquid or gas) at definite temperature and pressure. Solubility depends on the physical and chemical property of solvent, solute and concentration of the solution.

Question

Sketch the hydrogen bond(s) that form between ethanol and nitrogen trihydride and dihydrogen monoxide. Show the proper VSEPR shapes of all molecules (meaning VSEPR shapes with proper bond angles) and use dotted or dashed lines to indicate the hydrogen bonds. Indicate 4 different H-bonds between: 1) ethanol and nitrogen trihydride 2) ethanol and dihydrogen monoxide 3) dihydrogen monoxide and nitrogen trihydride and then 4) between the two ethanol molecules.

Answer 1

Question

Chapter 7, Problem 89QRT

Interpretation Introduction

Interpretation:

The reason for the miscibility of pyridine in water and only slightly miscibility of benzene in water has to be determined.

Concept introduction:

Like dissolves like principle: ‘Like dissolves like’ principle says that polar compounds including ionic compound should be more soluble in polar solvent. Likewise, non–polar compound should be more soluble in non–polar solvent.

Polar molecule: Polar molecules have large dipole moments.

Non-Polar molecules: Non-polar molecules have bonded atoms with similar electronegativity results to have zero dipole moments.

Solubility is the quantity of solute (solid, liquid or gas) that will dissolve in a given amount of solvent (solid, liquid or gas) at definite temperature and pressure. Solubility depends on the physical and chemical property of solvent, solute and concentration of the solution.

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