How ethanol as solvent is more polar and viscosity than water which effect the fluorescence ?
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How ethanol as solvent is more polar and viscosity than water which effect the fluorescence ?
What is a polar solvent and carbon tetrachloride (CCI_4) is a nonpolar solvent. In which solvent is each of the following more likely to be soluble? NaNO_3, ionic in carbon tetrachloride (CCI_4)(a nonpolar solvent) in water (a polar solvent) I_2, nonpolar in carbon tetrachloride (CCI_4)(a nonpolar solvent in water (a polar solvent) sucross (table sugar) polar in water (a polar solvent) in carbon tetrachloride (CCI_4) (a nonpolar solvent) gasoline nonpolar in water (a polar solvent) in carbon tetrachloride (CCI_4)(a nonpolar...
II. Water is a polar solvent; CCI4 (Carbon tetrachloride) is a non-polar solvent. In which solvent will the following substances be soluble? Explains briefly. (8 points) a) LINO3 b) gasoline c)C6H6 d) Na2S04
Water is a polar solvent; hexane is a nonpolar solvent. In which solvent is each of the following more likely to be soluble? (a) vegetable oil, nonpolar (b) benzene, nonpolar (c) LINO3, ionic (d) Na2SO4, ionic Calculate the % concentrations of the following solutions. (a) 0.60 g of Klin 18.0 g of water (% m/m). (b) 8.5 g of casein in 130 mL of low-fat milk (% m/v). Show work and underline final answers.
Indicate whether each of the indicated is more soluble in water (polar solvent) or in benzene (nonpolar solvent) Question 4 options: C6H12 (nonpolar) NaBr (polar) KI (polar) I 2(nonpolar) 1. Water (polar) 2. Benzene (nonpolar)
Which of the following will be more soluble in cyclohexane (a nonpolar solvent) than in water? Select all that apply. C4H10 CH2O NH3 CH4 CBr4
Why is phthalic acid better recrystallized in water solvent rather than using ethanol or diethyl ether as solvent for the phthalic acid?
How is the solvent in D more polar than A?
D. Time for 10% Solvolysis of 2-chloro-2-methylpropane in a Different Solvent System Pipet 2.00 mL of the 0.1 M 2-chloro-2-methylpropane solution into a 50-mL Erlenmeyer flask. Place the flask on a sheet of white paper. This will aid you in observing color changes. Into another 50-mL Erlenmeyer, pipet 0.20 mL of the NaOH solution and add 7.80 mL of distilled water. Finally, add a drop of the indicator to the...
the solvent available are water, water mixed with ethanol,
ethanol, and toluene.
as for the unknown compounds we had:
methyl-p-nitrobenzoate
acetanilide
benzoic acid
phenacetin
acetylsalicylic acid
salicylic acid
acetaminophen
4-aminiobenzoic acid
Question 4: Look at the 4 solvents that you tested and the possible structure of the unknowns. Is there one solvent that you think might dissolve all these compounds at room temperature? Which one and why does it make sense in terms of IMF. (Hint: "like dissolves like "+...
In a polar aprotic solvent, which nucleophile will be more reactive? H2O or OH- I know that in a protic solvent its OH- but is it the opposite from polar aprotic?
If we change the solvent from non-polar to polar what effect will this have on the frequency of absorption if the ground state is non-polar and the excited state is polar? Will it increase or decrease?