Multiple answers or none may be correct: Which of the following statements are T
ID: 540463 • Letter: M
Question
Multiple answers or none may be correct:
Which of the following statements are TRUE:
All biomolecules are highly soluble in water
Van der Waals forces are strong repulsive electrostatic interactions between permanently charged species
The hydrophobic effect is a function of non-polar molecules’ avoidance of interaction with water
Hydrogen bonds are strong dipole-dipole or charge-dipole interaction that arise between an acid (proton donor) and a base (proton acceptor)
pH is
neutral when pH > pOH
the –log of the [OH-]
a measure of the dissociation of 1 mol of H2O at 100°C and 5 atmospheres
a function of the ionization of salt
a.All biomolecules are highly soluble in water
b.Van der Waals forces are strong repulsive electrostatic interactions between permanently charged species
c.The hydrophobic effect is a function of non-polar molecules’ avoidance of interaction with water
d.Hydrogen bonds are strong dipole-dipole or charge-dipole interaction that arise between an acid (proton donor) and a base (proton acceptor)
Explanation / Answer
1)
c. The hydrophobic effect is a function of non-polar molecules’ avoidance of interaction with water
d. Hydrogen bonds are strong dipole-dipole or charge-dipole interaction that arise between an acid (proton donor) and a base (proton acceptor)
2) answer: none ,
pH = - log[H3O+]
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