PAPER QUESTIONS AND SOLUTIONS
VERIFIED ANSWERS
●● 2. Given an alkane that contains 25 carbon atoms. How many
hydrogen atoms are present in its structure? a)
Answer: ) 52
●● 3. Which of the following properly describes constitutional
(structural) isomers?
Answer: compounds 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?
Answer: ) 2, 3
●● 5. What is the molecular formula and name of the following
compound?
Answer: C4H9Cl, 2-chlorobutane
●● 6. What is the IUPAC name of the compound below?
Answer: methylcyclohexane
,●● which reaction type is most characteristic of alkenes?
Answer: addition
●● what is the IUPAC name for the compound below?
Answer: trans- 2, 3- dichlorvos-2-pentene
●● what is the structure and name of the product of the following
reaction?
Answer: ch3ch2ch2ch3, butane
●● alkanes and alkenes are no polar compounds and hence have poor
solubility in water
Answer: true
●● carbon monoxide may be produced in the incomplete combustions of
methane.
Answer: true
●● The names ortho- dimethylbenzene and 1,4- dimethylbenzene
represent the same compound
Answer: false
, ●● if a compound's name ends with " diene", this suggest that is it an
alkene containing two double bonds in its structure
Answer: true
●● what is the oxidation of a primary alcohol
Answer: aldehyde
●● which of the following alcohol is tertiary alcohol?
Answer: 2- methyl- 2- butanol
●● what compound is produced when 2 methyl-3 pentanol is oxidized ?
Answer: 2 methyl- 3 pentanone
●● what class of compounds is represented by the general formula R-O-
R
Answer: ethers
●● which of the following compounds will give a silver mirror finish
when treated with tollens' reagent ?
Answer: butanal
●● which is the IUPAC name for the following compounds
Answer: 2-chloro, 3- hexanol