Q. Which of the following compounds can be prepared by the reduction of nitrobenzene? (2022)
-
A.
Aniline
-
B.
Benzylamine
-
C.
Ethylamine
-
D.
Methylamine
Solution
Nitrobenzene can be reduced to aniline using reducing agents like Sn/HCl.
Correct Answer:
A
— Aniline
Learn More →
Q. Which of the following compounds can be reduced to an alcohol using NaBH4?
-
A.
Aldehyde
-
B.
Ketone
-
C.
Both Aldehyde and Ketone
-
D.
None of the above
Solution
Both aldehydes and ketones can be reduced to their corresponding alcohols using sodium borohydride (NaBH4).
Correct Answer:
C
— Both Aldehyde and Ketone
Learn More →
Q. Which of the following compounds can be reduced to an alcohol?
-
A.
Aldehyde
-
B.
Ketone
-
C.
Both Aldehyde and Ketone
-
D.
None of the above
Solution
Both aldehydes and ketones can be reduced to their corresponding alcohols.
Correct Answer:
C
— Both Aldehyde and Ketone
Learn More →
Q. Which of the following compounds can be used to distinguish between aldehydes and ketones?
-
A.
Benedict's solution
-
B.
Tollens' reagent
-
C.
Fehling's solution
-
D.
All of the above
Solution
Tollens' reagent can be used to distinguish aldehydes from ketones, as it oxidizes aldehydes but not ketones.
Correct Answer:
B
— Tollens' reagent
Learn More →
Q. Which of the following compounds can be used to distinguish between primary, secondary, and tertiary amines? (2023)
-
A.
Bromine water
-
B.
Nitrous acid
-
C.
Sodium hydroxide
-
D.
Hydrochloric acid
Solution
Nitrous acid can be used to distinguish between primary, secondary, and tertiary amines, as it reacts differently with each type.
Correct Answer:
B
— Nitrous acid
Learn More →
Q. Which of the following compounds can exhibit both cis and trans isomerism?
-
A.
1-hexene
-
B.
2-hexene
-
C.
hexane
-
D.
cyclohexane
Solution
2-hexene can exist in cis and trans forms due to the presence of a double bond.
Correct Answer:
B
— 2-hexene
Learn More →
Q. Which of the following compounds can exhibit both geometric and optical isomerism?
-
A.
2-butene
-
B.
3-pentanol
-
C.
2-pentene
-
D.
1,2-dichloropropane
Solution
3-pentanol has a chiral center and can also have geometric isomers due to the presence of a double bond.
Correct Answer:
B
— 3-pentanol
Learn More →
Q. Which of the following compounds can exhibit both structural and geometric isomerism?
-
A.
Cis-2-butene
-
B.
1,3-butadiene
-
C.
Cyclohexane
-
D.
2-pentene
Solution
1,3-butadiene can have structural isomers and also exhibit geometric isomerism due to its double bonds.
Correct Answer:
B
— 1,3-butadiene
Learn More →
Q. Which of the following compounds can exhibit geometric isomerism?
-
A.
1-Butene
-
B.
2-Butene
-
C.
Cyclohexane
-
D.
Propane
Solution
2-Butene can exhibit geometric isomerism due to the presence of a double bond with different groups attached.
Correct Answer:
B
— 2-Butene
Learn More →
Q. Which of the following compounds can exhibit tautomeric isomerism?
-
A.
Acetone
-
B.
Ethanol
-
C.
Acetic acid
-
D.
Phenol
Solution
Acetic acid can exist in two forms (keto and enol) and thus exhibits tautomeric isomerism.
Correct Answer:
C
— Acetic acid
Learn More →
Q. Which of the following compounds can show cis-trans isomerism?
-
A.
1-hexene
-
B.
Cyclohexane
-
C.
2-hexene
-
D.
Propane
Solution
2-hexene has a double bond and can have cis and trans configurations.
Correct Answer:
C
— 2-hexene
Learn More →
Q. Which of the following compounds can show tautomeric isomerism?
-
A.
Acetone
-
B.
Ethanol
-
C.
Acetic acid
-
D.
Phenol
Solution
Acetic acid can exist in keto and enol forms, thus showing tautomeric isomerism.
Correct Answer:
C
— Acetic acid
Learn More →
Q. Which of the following compounds can undergo aldol condensation?
-
A.
Acetone
-
B.
Benzaldehyde
-
C.
Formaldehyde
-
D.
Ethyl acetate
Solution
Acetone can undergo aldol condensation due to the presence of alpha-hydrogens.
Correct Answer:
A
— Acetone
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
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 can undergo Friedel-Crafts alkylation?
-
A.
Benzene
-
B.
Cyclohexane
-
C.
Ethylene
-
D.
Acetylene
Solution
Benzene can undergo Friedel-Crafts alkylation, a reaction where an alkyl group is introduced to the aromatic ring.
Correct Answer:
A
— Benzene
Learn More →
Q. Which of the following compounds can undergo nucleophilic substitution?
-
A.
Benzene
-
B.
Chloroethane
-
C.
Cyclohexane
-
D.
Ethylene
Solution
Chloroethane can undergo nucleophilic substitution due to the presence of a good leaving group (Cl).
Correct Answer:
B
— Chloroethane
Learn More →
Q. Which of the following compounds can undergo oxidation to form a ketone?
-
A.
1-Butanol
-
B.
2-Butanol
-
C.
Cyclohexanol
-
D.
Ethyl alcohol
Solution
2-Butanol can be oxidized to form butanone (a ketone).
Correct Answer:
B
— 2-Butanol
Learn More →
Q. Which of the following compounds can undergo polymerization to form polyethylene?
-
A.
Propylene
-
B.
Butylene
-
C.
Ethylene
-
D.
Isobutylene
Solution
Ethylene can undergo addition polymerization to form polyethylene, a common plastic.
Correct Answer:
C
— Ethylene
Learn More →
Q. Which of the following compounds cannot be oxidized?
-
A.
Aldehyde
-
B.
Primary alcohol
-
C.
Secondary alcohol
-
D.
Ketone
Solution
Ketones cannot be oxidized further under normal conditions, unlike aldehydes and alcohols.
Correct Answer:
D
— Ketone
Learn More →
Q. Which of the following compounds contains a carboxylic acid functional group? (2021)
-
A.
C2H5OH
-
B.
C3H6O
-
C.
C2H4COOH
-
D.
C4H10
Solution
C2H4COOH (acetic acid) contains the carboxylic acid functional group (-COOH).
Correct Answer:
C
— C2H4COOH
Learn More →
Q. Which of the following compounds contains a coordinate bond? (2023)
-
A.
NH3
-
B.
H2O
-
C.
CO
-
D.
NaCl
Solution
Carbon monoxide (CO) contains a coordinate bond between carbon and oxygen.
Correct Answer:
C
— CO
Learn More →
Q. Which of the following compounds contains a double bond? (2023)
-
A.
H2O
-
B.
CO2
-
C.
NH3
-
D.
CH4
Solution
Carbon dioxide (CO2) contains double bonds between carbon and oxygen.
Correct Answer:
B
— CO2
Learn More →
Q. Which of the following compounds contains a p-block element in its highest oxidation state? (2023)
-
A.
SO2
-
B.
PCl5
-
C.
Na2O
-
D.
MgCl2
Solution
In PCl5, phosphorus is in its highest oxidation state of +5.
Correct Answer:
B
— PCl5
Learn More →
Q. Which of the following compounds contains a p-block element?
-
A.
NaCl
-
B.
MgO
-
C.
AlCl3
-
D.
Fe2O3
Solution
AlCl3 contains aluminum, which is a p-block element.
Correct Answer:
C
— AlCl3
Learn More →
Q. Which of the following compounds contains a p-block element? (2022) 2022
-
A.
NaCl
-
B.
MgO
-
C.
SiO2
-
D.
Fe2O3
Solution
Silicon dioxide (SiO2) contains silicon, which is a p-block element.
Correct Answer:
C
— SiO2
Learn More →
Q. Which of the following compounds contains hydrogen in a +1 oxidation state?
-
A.
H2O
-
B.
H2S
-
C.
NaH
-
D.
LiH
Solution
In water (H2O), hydrogen has an oxidation state of +1.
Correct Answer:
A
— H2O
Learn More →
Q. Which of the following compounds contains hydrogen in a negative oxidation state? (2021)
-
A.
HCl
-
B.
NaH
-
C.
H2O
-
D.
NH3
Solution
In sodium hydride (NaH), hydrogen has an oxidation state of -1.
Correct Answer:
B
— NaH
Learn More →
Q. Which of the following compounds does NOT exhibit geometric isomerism?
-
A.
Cis-2-butene
-
B.
Trans-2-butene
-
C.
1,2-dichloroethene
-
D.
Ethane
Solution
Ethane does not have a double bond or any substituents that would allow for geometric isomerism.
Correct Answer:
D
— Ethane
Learn More →
Q. Which of the following compounds does NOT exhibit isomerism?
-
A.
C2H4
-
B.
C3H6
-
C.
C4H8
-
D.
C5H10
Solution
C2H4 (ethylene) does not have enough carbon atoms to exhibit isomerism.
Correct Answer:
A
— C2H4
Learn More →
Q. Which of the following compounds does NOT exhibit optical isomerism?
-
A.
Lactic acid
-
B.
Tartaric acid
-
C.
2-butanol
-
D.
Butane
Solution
Butane does not have a chiral center and therefore does not exhibit optical isomerism.
Correct Answer:
D
— Butane
Learn More →
Showing 23701 to 23730 of 27896 (930 Pages)