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Lynna [10]
4 years ago
8

The strongly polar, hydrogen-bonding properties of water make it an excellent solvent for ionic (charged) species. By contrast,

nonionized, nonpolar organic molecules, such as benzene, are relatively insoluble in water. In principle, the aqueous solubility of any organic acid or base can be increased by converting the molecules to charged species. For example, the solubility of benzoic acid in water is low. The addition of sodium bicarbonate to a mixture of water and benzoic acid raises the pH and deprotonates the benzoic acid to form benzoate ion, which is quite soluble in water?

Chemistry
1 answer:
trapecia [35]4 years ago
7 0

Answer:

hello your question is incomplete attached below is the complete question

Pyridinium  ion is more soluble in 0.1 M HCL (aqueous solution) and this is because the Pyridine ion reacts with NaOH  and after the reaction it comes out neutral.

N-acetyltyrosine methyl ester is more soluble in 0.1 M HCL while

B-napthol is more soluble in 0.1 M NaOH because it forms phenoxide ion

Explanation:

Pyridine ion is more soluble in 0.1 M HCL (aqueous solution) and this is because the Pyridine ion reacts with NaOH  and after the reaction it comes out neutral.

N-acetyltyrosine methyl ester is more soluble in 0.1 M HCL while

B-napthol is more soluble in 0.1 M NaOH because it forms phenoxide ion

attached below is the remaining part of the solution

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In the chromatography of the reaction mixture, water absorbed on cellulose functioned as the stationary phase. What was the prin
kotegsom [21]

Answer:

HYDROGEN BONDING (determines rate of migration)

Explanation:

There are two forces acting on the sample:

<u>Gravity/ Capillary action force:</u> This can include gravity, pumping of fluid through the tube, or the capillary action of the liquid when moving up the sheet of paper.

<u>Interactive force with the gel used:</u> The another force is dependent on the fundamental properties of individual components with fluid. These can be polarity, charge, adhesive nature, etc.

The most type of the chromatography is exploiting polarity of the molecules. So in TLC, we have a sheet coated with silica gel usually (polar), and a liquid that contains a mixture of different compounds which is being pushed up paper through the capillary action.  

Some liquid's polarity will be greater than the others, and that's why the liquids move at various speeds based on favorable/ unfavorable interactions between different compounds in the mixture.

In this way, one can separate a mixture into individual constituting parts.

<u>Thus, the relative amount of hydrogen bonding to the stationary phase will determine the Relative Rate of Migration of the various components in the sample.</u>

4 0
3 years ago
A student increases the temperature of a 200 cm3 balloon from 33degrees C to 47 degrease C. What will the new volume of the ball
sveta [45]
The answer is 209.15cm3

The volume is directly related to the temperature of a gas. You can solve this question using Charles' law, but remember to convert the temperature from Celcius to Kelvin.

V1/T1= V2/T2
<span>200 cm3/ (33+273K)= V2/(47+273K)
V2= 200cm3 * 320/306= 209.15cm3</span>
7 0
3 years ago
Select the correct answer.
MakcuM [25]

Answer:

A

Explanation:

8 0
3 years ago
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6 0
3 years ago
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Which is the correct orbital diagram for carbon?
Rudiy27

Answer:

The first option

Explanation:

Carbon is a p-block element. It is the 6th element on the periodic table and therefore it has 6 electrons.

The sub-level notation is given as:

                             1s²    2s²       2p²

            The s-sublevel can only accommodate two maximum electrons because it has one orbital. This is why both 1s and 2s contains just two electrons each. When both sub-levels are filled, we have just 2 remaining electrons to fill the p-sublevel.    

The p-sublevel contains 3 orbitals and can accommodate a maximum of 6 electrons. But we have just 2 electrons. According to Hund's rule of maximum mulitiplicity, electrons will go into degenerate orbitals singly before paring up. Therefore, the first two orbitals in p-sublevel will receive an electron each.  

 This is why the first model fits.          

7 0
4 years ago
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