Q. Which haloalkane is least soluble in water?
A.
Chloroethane
B.
Bromoethane
C.
Iodoethane
D.
Fluoroethane
Show solution
Solution
Iodoethane is least soluble in water due to its larger non-polar iodine atom, which decreases the overall polarity of the molecule.
Correct Answer: C — Iodoethane
Learn More →
Q. Which haloalkane would you expect to have the highest boiling point?
A.
Chloroethane
B.
Bromoethane
C.
Iodoethane
D.
Fluoroethane
Show solution
Solution
Iodoethane has the highest boiling point due to the larger size and greater polarizability of iodine, leading to stronger van der Waals forces.
Correct Answer: C — Iodoethane
Learn More →
Q. Which of the following compounds can be prepared by the reaction of an alkyl halide with magnesium?
A.
Grignard reagent
B.
Alkoxide
C.
Alcohol
D.
Ether
Show solution
Solution
The reaction of an alkyl halide with magnesium forms a Grignard reagent, which is a key intermediate in organic synthesis.
Correct Answer: A — Grignard reagent
Learn More →
Q. Which of the following compounds can undergo elimination reaction to form an alkene?
A.
1-chloropropane
B.
2-chloropropane
C.
3-chloropropane
D.
chlorobenzene
Show solution
Solution
2-chloropropane can undergo elimination to form propene, while the others are less favorable for elimination.
Correct Answer: B — 2-chloropropane
Learn More →
Q. Which of the following compounds is a haloarene?
A.
Chloroethane
B.
Bromobenzene
C.
Iodobutane
D.
Fluoropropane
Show solution
Solution
Bromobenzene contains a benzene ring with a bromine substituent, making it a haloarene.
Correct Answer: B — Bromobenzene
Learn More →
Q. Which of the following compounds will undergo nucleophilic substitution via an SN1 mechanism?
A.
1-chloropropane
B.
2-chloropropane
C.
3-chloropropane
D.
chlorobenzene
Show solution
Solution
3-chloropropane is a tertiary haloalkane, which favors the SN1 mechanism due to the formation of a stable tertiary carbocation.
Correct Answer: C — 3-chloropropane
Learn More →
Q. Which of the following haloalkanes can be converted to an alcohol by hydrolysis?
A.
Bromobenzene
B.
Chloroethane
C.
Iodobutane
D.
All of the above
Show solution
Solution
Iodobutane can be converted to an alcohol by hydrolysis, while bromobenzene requires a different mechanism due to its aromatic nature.
Correct Answer: C — Iodobutane
Learn More →
Q. Which of the following haloalkanes is expected to have the highest boiling point?
A.
Chloroethane
B.
Bromoethane
C.
Iodoethane
D.
Fluoroethane
Show solution
Solution
Iodoethane has the highest boiling point due to the larger size and polarizability of iodine.
Correct Answer: C — Iodoethane
Learn More →
Q. Which of the following haloalkanes is least soluble in water?
A.
Chloroethane
B.
Bromoethane
C.
Iodoethane
D.
Fluoroethane
Show solution
Solution
Iodoethane is least soluble in water due to its larger size and lower polarity compared to the others.
Correct Answer: C — Iodoethane
Learn More →
Q. Which of the following haloalkanes is most reactive towards nucleophilic substitution?
A.
1-bromopropane
B.
2-bromopropane
C.
3-bromopropane
D.
Bromobenzene
Show solution
Solution
3-bromopropane is more reactive due to the stability of the tertiary carbocation formed during the reaction.
Correct Answer: C — 3-bromopropane
Learn More →
Q. Which of the following haloalkanes is the most reactive towards nucleophilic substitution?
A.
1-bromopropane
B.
2-bromopropane
C.
3-bromopropane
D.
bromobenzene
Show solution
Solution
3-bromopropane is a tertiary haloalkane, which is more reactive towards nucleophilic substitution due to steric hindrance and stability of the carbocation formed.
Correct Answer: C — 3-bromopropane
Learn More →
Q. Which of the following haloalkanes will undergo elimination reaction more readily?
A.
1-chloropropane
B.
2-chloropropane
C.
3-chloropropane
D.
chlorobenzene
Show solution
Solution
3-chloropropane is a tertiary haloalkane and will undergo elimination more readily due to the stability of the resulting alkene.
Correct Answer: C — 3-chloropropane
Learn More →
Q. Which of the following haloalkanes will undergo elimination reaction most readily?
A.
1-bromopropane
B.
2-bromopropane
C.
3-bromopropane
D.
bromobenzene
Show solution
Solution
2-bromopropane undergoes elimination readily due to the formation of a stable alkene.
Correct Answer: C — 3-bromopropane
Learn More →
Q. Which of the following haloarenes can undergo nucleophilic substitution?
A.
Chlorobenzene
B.
Bromobenzene
C.
Iodobenzene
D.
All of the above
Show solution
Solution
All of the listed haloarenes can undergo nucleophilic substitution under suitable conditions.
Correct Answer: D — All of the above
Learn More →
Q. Which of the following haloarenes is most reactive in nucleophilic aromatic substitution?
A.
Chlorobenzene
B.
Bromobenzene
C.
Nitrochlorobenzene
D.
Fluorobenzene
Show solution
Solution
Nitrochlorobenzene is most reactive due to the electron-withdrawing nitro group, which stabilizes the negative charge in the intermediate.
Correct Answer: C — Nitrochlorobenzene
Learn More →
Q. Which of the following haloarenes is most reactive towards nucleophilic substitution?
A.
Chlorobenzene
B.
Bromobenzene
C.
Iodobenzene
D.
Fluorobenzene
Show solution
Solution
Iodobenzene is the most reactive towards nucleophilic substitution due to the weaker C-I bond compared to the other haloarenes.
Correct Answer: C — Iodobenzene
Learn More →
Q. Which of the following is a characteristic reaction of haloalkanes?
A.
Electrophilic addition
B.
Nucleophilic substitution
C.
Free radical substitution
D.
Hydrogenation
Show solution
Solution
Nucleophilic substitution is a characteristic reaction of haloalkanes, where a nucleophile replaces the halogen atom.
Correct Answer: B — Nucleophilic substitution
Learn More →
Q. Which of the following is a characteristic reaction of haloarenes?
A.
Nucleophilic substitution
B.
Electrophilic substitution
C.
Hydrogenation
D.
Dehydrohalogenation
Show solution
Solution
Haloarenes typically undergo nucleophilic substitution reactions due to the presence of the aromatic ring.
Correct Answer: B — Electrophilic substitution
Learn More →
Q. Which of the following is a method for the preparation of haloalkanes?
A.
Hydrohalogenation of alkenes
B.
Halogenation of alkanes
C.
Nucleophilic substitution
D.
All of the above
Show solution
Solution
All of the listed methods can be used to prepare haloalkanes.
Correct Answer: D — All of the above
Learn More →
Q. Which of the following is a method to prepare haloalkanes?
A.
Hydrogenation of alkenes
B.
Halogenation of alkanes
C.
Dehydrohalogenation
D.
Hydrolysis of alcohols
Show solution
Solution
Haloalkanes can be prepared by the halogenation of alkanes, which involves the substitution of hydrogen by halogen.
Correct Answer: B — Halogenation of alkanes
Learn More →
Q. Which of the following is a primary haloalkane?
A.
1-bromobutane
B.
2-bromobutane
C.
3-bromobutane
D.
Bromobenzene
Show solution
Solution
1-bromobutane is a primary haloalkane as the carbon attached to the halogen is bonded to only one other carbon.
Correct Answer: A — 1-bromobutane
Learn More →
Q. Which of the following statements about haloalkanes is true?
A.
They are polar compounds
B.
They are non-polar compounds
C.
They do not react with nucleophiles
D.
They are always solids
Show solution
Solution
Haloalkanes are polar compounds due to the electronegativity difference between carbon and halogen.
Correct Answer: A — They are polar compounds
Learn More →
Q. Which reagent can be used to convert a haloalkane into an alcohol?
A.
Sodium hydroxide
B.
Sodium chloride
C.
Sodium bromide
D.
Sodium acetate
Show solution
Solution
Sodium hydroxide (NaOH) can be used to perform nucleophilic substitution, converting haloalkanes into alcohols.
Correct Answer: A — Sodium hydroxide
Learn More →
Q. Which reagent can be used to convert a haloalkane to an alcohol?
A.
Sodium hydroxide
B.
Sodium metal
C.
Hydrochloric acid
D.
Bromine
Show solution
Solution
Sodium hydroxide can be used to convert haloalkanes to alcohols through nucleophilic substitution.
Correct Answer: A — Sodium hydroxide
Learn More →
Q. Which reagent is commonly used to convert haloalkanes to alcohols?
A.
Sodium hydroxide
B.
Sodium chloride
C.
Potassium bromide
D.
Calcium carbonate
Show solution
Solution
Sodium hydroxide is a strong base that can effectively convert haloalkanes to alcohols through nucleophilic substitution.
Correct Answer: A — Sodium hydroxide
Learn More →
Q. Which reagent is used to convert haloalkanes to alcohols?
A.
Sodium hydroxide
B.
Sodium bicarbonate
C.
Sodium chloride
D.
Sodium acetate
Show solution
Solution
Sodium hydroxide is commonly used to convert haloalkanes to alcohols through nucleophilic substitution.
Correct Answer: A — Sodium hydroxide
Learn More →
Showing 31 to 56 of 56 (2 Pages)