Organic Chemistry Lab Comprehensive Review Quiz

The following are samples that produces no soothe/black substance during the test for carbon, EXCEPT

• Sugar

• Ethyl Alcohol

• Naphthalene

• Both Ethyl alcohol and Naphthalene

• None of the choices

Positive indicator of presence of carbon in the Test for Carbon and Hydrogen in Act. 4

• A.) Lime water turns milky

• B.) Presence of CO2 gas

• C.) Copper compound turns blue

• D.) Both A and B

• E.) Both B and C

Positive indicator of presence of nitrogen in the Test for Nitrogen

• A.) Pungent smell

• B.) Red litmus paper turns red

• C.) Blue litmus paper turns blue

• D.) Both A and B

• E.) Both A and C

The residue produced after heating 1g of sodium acetate and heated strongly

• Sodium carbonate

• Sodium chloride

• Sodium bicarbonate

• Sodium sulfate

• Sodium nitrate

The addition of acidic and basic substances will result to:

• Formation of salt

• Neutralization

• Changing of pH to neutral state

• All of the choices

• None of the choices

The strongest base and used as solvent

• NaCl

• NaOH

• CaO

• NaHCO3

• NaCO3

Aniline mixed with HCl

• Soluble/Miscible

• Slightly soluble/Slightly miscible

• Insoluble/Immiscible

• Undetermined result

Benzaldehyde mixed with Ether

• Soluble/Miscible

• Slightly soluble/ Slightly miscible

• Insoluble/Immiscible

• Undetermined result

If Toluene is mixed with HCl, the result will be

• A.) Toluene will not mix with HCl

• B.) Toluene will mix with HCl

• C.) Formation of a precipitate

• D.) Both A and C

• E.) Both B and C

The following are samples that will be soluble/miscible in benzene, EXCEPT

• Iodine

• Vulcanized rubber

• Lard

• Resin

• None of the choices