Question

Which of the following is the best solvent to dissolve H3CH2CH2CH2CH2CH3?

A.

CHCl₃

B.

H₂O

C.

CCl₄

D.

CH₃OH

E.

HI

Answer 1

The thumb rule is "like dissolves like" i.e., Polar or ionic solutes will dissolve in polar or ionic solvents similarly the non-polar solutes will dissolve in non-polar solvents. Using the thumb rule the option is C. CCl₄

Since, the given formula H₃CH₂CH₂CH₂CH₂CH₃ is n-pentane, which is a non-polar alkane compound, so it dissolves in non-polar solvent as per the thumb rule. In the given option except CCl₄ all are polar solvent (CHCl₃, H₂O, CH₃OH, HI). Hence the option is C. CCl₄