COMBUSTIBILTY Place 3 drops of ethyl alcohol in an evaporating dish. Place a lighted match stick near the alcohol. Repeat with ether. Is ethyl alcohol combustible? Is ether combustible? Which is more combustible? Is the result the same if water was used in place of ethyl alcohol? Give a general statement regarding the combustibility of organic compounds.
D. COMBUSTIBILTY
- Place 3 drops of ethyl alcohol in an evaporating dish.
- Place a lighted match stick near the alcohol.
- Repeat with ether.
Is ethyl alcohol combustible?
Is ether combustible?
Which is more combustible?
Is the result the same if water was used in place of ethyl alcohol?
Give a general statement regarding the combustibility of organic compounds.
E. IONIZATION
- To 1 ml of sodium chloride solution add 2 drops of silver nitrate solution.
Result:
- Repeat using carbon tetrachloride instead of sodium chloride.
What conclusion can you make based on the results obtained.
F. ACIDITY AND ALKALINITY
Place 4 pieces each of blue and red litmus papers on a dry watch glass. Moisten the tip of the stirring rod with the solutions below using only one solution at a time. Rinse the stirring rod before touching the next solution. Touch the litmus paper with the stirring rod. Classify each as strong acid, weak acid, strong base or weak base based on the degree of the change in color of the litmus paper.
- dilute HCl
- dilute acetic acid
- dilute NH4Cl
- aniline
Give a general statement as to the difference in the degree of acidity and alkalinity between organic and inorganic compounds.
III.
- Name three other differences between organic and inorganic compounds not illustrated in this activity.
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