Q1 Easy
Phenol is more acidic than aliphatic alcohols because:
A Phenol has a lower molecular weight B The phenoxide ion is stabilized by resonance with the benzene ring C Phenol contains more hydroxyl groups D Phenol has a higher boiling point
Q2 Easy
Which reagent is commonly used to distinguish between primary and secondary alcohols?
A Bromine water B Potassium permanganate (acidic) C Sodium metal D Tollens reagent
Q3 Easy
Which hydrocarbon shows the phenomenon of isomerism first appearing in its series?
A Methane (C₁) B Ethane (C₂) C Propane (C₃) D Butane (C₄)
Q4 Easy
What is the IUPAC name of the compound with structure CH₃OCH₂CH₃?
A Methyl ethyl ether B Methoxyethane C Ethyl methyl ether D 1-Methoxypropane
Q5 Easy
What is the IUPAC name of the compound CH3-CH2-CH2-CH3?
A Butane B Propane C Pentane D Isobutane
Q6 Easy
Which of the following represents a primary alcohol?
A CH3CH2OH B CH3CH(OH)CH3 C (CH3)3COH D CH3CH2CH(OH)CH3
Q7 Easy
What is the general molecular formula for alkanes?
A CₙH₂ₙ₊₂ B CₙH₂ₙ C CₙH₂ₙ₋₂ D CₙHₙ
Q8 Easy
What is the IUPAC name of the hydrocarbon with the structure CH₃-CH₂-CH₂-CH₃?
A Methane B Propane C Butane D Pentane
Q9 Easy
Which of the following compounds is classified as a primary alcohol?
A CH₃CH₂OH B (CH₃)₂CHOH C (CH₃)₃COH D C₆H₅OH
Q10 Easy
Which of the following haloalkanes undergoes SN2 reaction most readily?
A CH₃CH₂CH₂Br (primary) B (CH₃)₂CHBr (secondary) C (CH₃)₃CBr (tertiary) D CH₂=CHBr (vinyl)
Q11 Easy
What is the IUPAC name of the compound CH₃CHBrCH₂CH₃?
A 2-bromobutane B 1-bromobutane C 3-bromobutane D 2-bromopropane
Q12 Easy
Which haloarene is most resistant to nucleophilic aromatic substitution?
A Chlorobenzene (C₆H₅Cl) B p-Nitrochlorobenzene (4-NO₂-C₆H₄Cl) C p-Methoxychlorobenzene (4-CH₃O-C₆H₄Cl) D p-Chlorobenzaldehyde (4-CHO-C₆H₄Cl)
Q13 Easy
In the reaction of 1-bromobutane with KOH in alcoholic solution, the major product is:
A 1-butanol (substitution) B 1-butene (elimination) C 2-butene (elimination) D Butane (reduction)
Q14 Easy
Which of the following statements about haloarenes is correct?
A The C-X bond in haloarenes is longer than in haloalkanes B Haloarenes undergo nucleophilic substitution more readily than haloalkanes C The C-X bond in haloarenes is stronger than in haloalkanes D Haloarenes are more polar than haloalkanes
Q15 Easy
Identify the functional group present in CH3COCH3.
A Aldehyde B Ketone C Alcohol D Carboxylic acid
Q16 Easy
Which pair of compounds represents isomers?
A CH3CH2OH and CH3OCH3 B CH4 and C2H6 C CH3CH2CH3 and CH3CH(CH3)2 D C2H4 and C3H6
Q17 Easy
Which of the following is an example of an alkene?
A Ethane (C₂H₆) B Ethene (C₂H₄) C Ethyne (C₂H₂) D Methane (CH₄)
Q18 Easy
How many sigma (σ) and pi (π) bonds are present in a molecule of ethyne (C₂H₂)?
A 2 σ bonds and 1 π bond B 3 σ bonds and 2 π bonds C 4 σ bonds and 0 π bonds D 1 σ bond and 3 π bonds
Q19 Easy
What is the general formula for alkanes?
A CnH2n+2 B CnH2n C CnH2n-2 D CnHn
Q20 Easy
The dehydration of ethanol (C₂H₅OH) with concentrated H₂SO₄ at 170°C produces:
A Diethyl ether B Acetaldehyde C Ethene D Acetic acid
🔓
92+ more Organic Chemistry questions in the Practice Panel
Full question bank with difficulty filter, bookmark, and timed practice mode. Free to start — no credit card.
✓ Free forever for basic prep ✓ No app download ✓ Instant access
Study by Subtopic — Organic Chemistry 7 subtopics · tap any to study in depth
View all → Seen all the questions? Now test yourself
See your real Agniveer Army Technical rank — free mock test
Full Agniveer Army Technical mock · Instant All-India percentile · No signup needed
Study Next — Chemistry Topics Why 12,000+ aspirants prepare on ZestExam
Real exam-pattern questions
Every question matches the actual paper style and difficulty.
Free — no credit card
Study immediately. Basic prep stays free forever.
AI Battle Plan
Personalized study plan generated after every mock test.
Error DNA analysis
Automatically finds your exact weak spots across topics.
Free All-India rank check
See your percentile the moment you finish a mock.
40+ exams covered
SSC, Railways, Banking, Defence, Teaching and more.
✓ Free forever for basic prep ✓ No app download needed ✓ Real exam-pattern questions ✓ 12,000+ active aspirants