CHEM 120 FINAL EXAM QUESTIONS
EXAM WITH CORRECT QUESTIONS
AND ANSWERS 2025
What is the correct order of melting points for the following alkanes, from highest to
lowest temperature? - CORRECT-ANSWERSheptane > hexane > ethane > methane
2. Given an alkane that contains 25 carbon atoms. How many hydrogen atoms are
present in its structure? a) - CORRECT-ANSWERS) 52
3. Which of the following properly describes constitutional (structural) isomers? -
CORRECT-ANSWERScompounds with the same molecular formula, but a different
order of attachment of atoms
4. How many secondary and tertiary carbons, respectively, are in the following
compound? - CORRECT-ANSWERS) 2, 3
5. What is the molecular formula and name of the following compound? - CORRECT-
ANSWERSC4H9Cl, 2-chlorobutane
,6. What is the IUPAC name of the compound below? - CORRECT-
ANSWERSmethylcyclohexane
which reaction type is most characteristic of alkenes? - CORRECT-ANSWERSaddition
what is the IUPAC name for the compound below? - CORRECT-ANSWERStrans- 2, 3-
dichlorvos-2-pentene
what is the structure and name of the product of the following reaction? - CORRECT-
ANSWERSch3ch2ch2ch3, butane
alkanes and alkenes are no polar compounds and hence have poor solubility in water -
CORRECT-ANSWERStrue
carbon monoxide may be produced in the incomplete combustions of methane. -
CORRECT-ANSWERStrue
The names ortho- dimethylbenzene and 1,4- dimethylbenzene represent the same
compound - CORRECT-ANSWERSfalse
if a compound's name ends with " diene", this suggest that is it an alkene containing
two double bonds in its structure - CORRECT-ANSWERStrue
what is the oxidation of a primary alcohol - CORRECT-ANSWERSaldehyde
, which of the following alcohol is tertiary alcohol? - CORRECT-ANSWERS2- methyl- 2-
butanol
what compound is produced when 2 methyl-3 pentanol is oxidized ? - CORRECT-
ANSWERS2 methyl- 3 pentanone
what class of compounds is represented by the general formula R-O-R - CORRECT-
ANSWERSethers
which of the following compounds will give a silver mirror finish when treated with
tollens' reagent ? - CORRECT-ANSWERSbutanal
which is the IUPAC name for the following compounds - CORRECT-ANSWERS2-chloro,
3- hexanol
what is the proper IUPAC name for the three carbon aldehyde - CORRECT-
ANSWERSpropanal
what class of compounds is commonly used as a medical anesthetic - CORRECT-
ANSWERSethers
a phenol is a compound that contains a hydroxyl group attached to a benzene ring -
CORRECT-ANSWERStrue
EXAM WITH CORRECT QUESTIONS
AND ANSWERS 2025
What is the correct order of melting points for the following alkanes, from highest to
lowest temperature? - CORRECT-ANSWERSheptane > hexane > ethane > methane
2. Given an alkane that contains 25 carbon atoms. How many hydrogen atoms are
present in its structure? a) - CORRECT-ANSWERS) 52
3. Which of the following properly describes constitutional (structural) isomers? -
CORRECT-ANSWERScompounds with the same molecular formula, but a different
order of attachment of atoms
4. How many secondary and tertiary carbons, respectively, are in the following
compound? - CORRECT-ANSWERS) 2, 3
5. What is the molecular formula and name of the following compound? - CORRECT-
ANSWERSC4H9Cl, 2-chlorobutane
,6. What is the IUPAC name of the compound below? - CORRECT-
ANSWERSmethylcyclohexane
which reaction type is most characteristic of alkenes? - CORRECT-ANSWERSaddition
what is the IUPAC name for the compound below? - CORRECT-ANSWERStrans- 2, 3-
dichlorvos-2-pentene
what is the structure and name of the product of the following reaction? - CORRECT-
ANSWERSch3ch2ch2ch3, butane
alkanes and alkenes are no polar compounds and hence have poor solubility in water -
CORRECT-ANSWERStrue
carbon monoxide may be produced in the incomplete combustions of methane. -
CORRECT-ANSWERStrue
The names ortho- dimethylbenzene and 1,4- dimethylbenzene represent the same
compound - CORRECT-ANSWERSfalse
if a compound's name ends with " diene", this suggest that is it an alkene containing
two double bonds in its structure - CORRECT-ANSWERStrue
what is the oxidation of a primary alcohol - CORRECT-ANSWERSaldehyde
, which of the following alcohol is tertiary alcohol? - CORRECT-ANSWERS2- methyl- 2-
butanol
what compound is produced when 2 methyl-3 pentanol is oxidized ? - CORRECT-
ANSWERS2 methyl- 3 pentanone
what class of compounds is represented by the general formula R-O-R - CORRECT-
ANSWERSethers
which of the following compounds will give a silver mirror finish when treated with
tollens' reagent ? - CORRECT-ANSWERSbutanal
which is the IUPAC name for the following compounds - CORRECT-ANSWERS2-chloro,
3- hexanol
what is the proper IUPAC name for the three carbon aldehyde - CORRECT-
ANSWERSpropanal
what class of compounds is commonly used as a medical anesthetic - CORRECT-
ANSWERSethers
a phenol is a compound that contains a hydroxyl group attached to a benzene ring -
CORRECT-ANSWERStrue
