Fill in the blanks with appropriate options given in below:
alanine has a and a group available to form with water molecules. although there are some the terminal of alanine and hexane molecules, we expect the alanine and water to be stronger .stronger intermolecular attractive forces between alanine and water lead to a more î”h mix and more (smaller î”hsoln for water than for hexane
options:
1. = o
2. negative
3. - nh2
4. positive
5. hydrogen bonds
6. dispersion forces
7. -no2
8. dipole-dipole forces
9. -ch3
10. -cooh
11. -oh
12. ion-dipole forces

Alanine has a -COOH and a -NH2 group available to form hydrogen bonds with water molecules.

Although there are some potential dispersion forces between the terminal -CH3 group of alanine and hexane molecules, we expect the hydrogen bonds between alanine and water to be stronger.

The answer of the following fill in the blanks as follows:-

Stronger intermolecular attractive forces between alanine and water lead to a more negative ΔHmix and more negative (smaller positive) ΔHsoln for water than for hexane.

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1) -COOH

2) -NH2

3) hydrogen bonds

4) dispersion forces

5) -CH3

6) hydrogen bonds

7) negative

8) negative

9) positive

Explanation:

Alanine has a -COOH and a -NH2 group available to form hydrogen bonds with water molecules.

Although there are some potential dispersion forces between the terminal -CH3 group of alanine and hexane molecules, we expect the hydrogen bonds between alanine and water to be stronger.

Stronger intermolecular attractive forces between alanine and water lead to a more negative ΔHmix and more negative (smaller positive) ΔHsoln for water than for hexane.