Author Question: The principal reason for the extremely low solubility of NaCl in benzene (C6H6 ) is the ________. ... (Read 42 times)

clippers! · **on:** Aug 27, 2018

The principal reason for the extremely low solubility of NaCl in benzene (C6H6 ) is the ________.

A) strong solvent-solvent interactions
B) hydrogen bonding in C6H6
C) strength of the covalent bond in NaCl
D) weak solvation of Na+ and Cl- by C6H6
E) increased disorder due to mixing of solute and solvent

Question 2

The protein directly responsible for muscle contraction is

A) collagen.
B) actomyosin.
C) keratin.
D) hemoglobin.