Semi Exxam-2G

Which functional group defines alcohols in forensic chemistry?

• Hydroxyl group bonded to carbon

• Carbonyl group bonded to carbon

• Sulfhydryl group bonded to carbon

• Halogen atom bonded to carbon

Which suffix identifies alcohols in systematic naming?

• –ol added to the root hydrocarbon

• –al added to the root hydrocarbon

• –one added to the root hydrocarbon

• –thiol added to the root hydrocarbon

Which suffix identifies aldehydes in systematic naming?

• –al added to the root hydrocarbon

• –ol added to the root hydrocarbon

• –one added to the root hydrocarbon

• –thiol added to the root hydrocarbon

Which suffix identifies ketones in systematic naming?

• –one added to the root hydrocarbon

• –ol added to the root hydrocarbon

• –al added to the root hydrocarbon

• –thiol added to the root hydrocarbon

Which alcohol is tested in breath analyzers for drunk driving?

• Ethanol found in alcoholic beverages

• Methanol found in paint removers only

• Butanol found in industrial solvents

• Propanol found in laboratory alcohol

Which aldehyde is widely used as a preservative in morgues?

• A. Formaldehyde also called methanal

• B. Acetone also called propanone only

• C. Acetaldehyde also called ethanal

• D. Octanal also called citrus aldehyde

Which ketone is used in fingerprint analysis in crime labs?

• Acetone widely used as solvent only

• Butanone widely used as medicine only

• Pentanone widely used as flavor only

• Hexanone widely used as fragrance

Which ether has been used as an anesthetic in surgery?

• A. Enflurane containing ether linkage

• B. Formaldehyde containing carbonyl

• C. Methanol containing hydroxyl only

• D. Methanethiol containing sulfhydryl

Which thiol is responsible for the foul odor in skunk spray?

• 3-methyl-1-butanethiol compound

• Acetone used in cosmetics only

• Methanol used in solvents only

• Chloroform used as anesthetic only

Which classification applies to CH3CH2Cl in forensic samples?

• Primary alkyl halide with halogen on primary carbon

• Secondary alkyl halide with halogen on secondary carbon

• Tertiary alkyl halide with halogen on tertiary carbon

• Aromatic alkyl halide with halogen on benzene ring