Indicate whether each of the following substances would be more soluble in H2O or C6H14:
(a) KI

(b) C8H18

(c) grease

(d) CH3(CH2)12OH

(e) NaC2H3O2

Respuesta :

Answer:

H2O-a,e, C6H14 - b,c,d

Explanation:

H2O - (a) KI, e(NaC2H3O2) because they are ionic compounds

C6H14 -(b) C8H18 , (c) grease , (d) CH3(CH2)12OH because they are mostly un-polar.

The substances that would be soluble in H₂O are ; ( A and E )

  • KI ( A )
  • NaC₂H₃O₂ ( E )

The substances that would be soluble in C₆H₁₄ are ; ( B, C and D )

  • C₈H₁₈ ( B )
  • grease ( C )
  • CH₃( CH₂ )12OH ( D )

Substances that readily dissolves when placed in water are ionic compounds in nature and sodium acetate ( NaC₂H₃O₂ ) which is sodium salt will readily soluble when placed in water ( solvent ) also KI is an ionic compound hence it is soluble in water.

Un-polar compounds like C₈H₁₈ , grease and CH₃( CH₂ )12OH are not readily soluble in water but are readily soluble in  Hexane ( C₆H₁₄ ).

Hence we can conclude that the substances that would be soluble in water are A and E while the substances that would be soluble in Hexane are B,C and D.

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