Haloalkanes and Haloarenes NEET PYQ with Solutions

Haloalkanes and Haloarenes NEET PYQ help students get good marks in NEET 2026. Previous year questions from Haloalkanes and Haloarenes are shared here. Solve these questions from NEET Chemistry chapter on Haloalkanes and Haloarenes to know about difficulty level.

Haloalkanes and Haloarenes NEET PYQ

Haloalkanes and Haloarenes NEET PYQ: Solving previous year questions is a non-negotiable aspect of exam preparations. After covering the syllabus, students should try to solve as many NEET previous years questions (PYQ) as possible to ace the exam. This page brings to you NEET Haloalkanes and Haloarenes questions of previous years to help candidates understand number of questions asked in exam, their difficulty level and high-value topics. Haloalkanes and Haloarenes topic is considered an important part of the NEET Chemistry syllabus 2026. Students can score well if they prepare this Organic Chemistry chapter with proper plan and strategy. Go through the set of important NEET Haloalkanes and Haloarenes PYQ below for your preparations.

Haloalkanes and Haloarenes NEET Syllabus 2026

To prepare Haloalkanes and Haloarenes chapter of NEET UG 2026, students need to cover all the topics mentioned in the official syllabus. The NEET syllabus 2026 puts Haloalkanes and Haloarenes topic under Organic Chemistry section in chapters named as “Hydrocarbons” And “Organic Compounds Containing Halogens”. Questions are asked from mechanisms like SN1, SN2, and E1/E2, uses of organic compounds containing halogens and others. Check the Haloalkanes and Haloarenes NEET syllabus below-

• Alkanes - Conformations: Sawhorse and Newman projections (of ethane): Mechanism of halogenation of alkanes.
• Alkenes - Geometrical isomerism: Mechanism of electrophilic addition: addition of hydrogen, halogens, water, hydrogen halides (Markownikoffs and peroxide effect): Ozonolysis and polymerization.
• Alkynes - Acidic character: Addition of hydrogen, halogens, water, and hydrogen halides: Polymerization.
• Aromatic hydrocarbons - Nomenclature, benzene - structure and aromaticity: Mechanism of electrophilic substitution: halogenation, nitration.
• Friedel - Craft's alkylation and acylation, directive influence of the functional group in monosubstituted benzene
• General methods of preparation, properties, and reactions; Nature of C-X bond; Mechanisms of substitution reactions
• Uses; Environmental effects of chloroform, iodoform freons, and DDT.

Also Read: Last 5 Years Question Papers of NEET UG: PDF Download

Haloalkanes and Haloarenes: Weightage in NEET Exam

Every year, around 2 to 3 questions are asked from Haloalkanes and Haloarenes topic in NEET exam, forming 4% weightage in NEET Chemistry paper. Have a look at the NEET Haloalkanes and Haloarenes weightage below-

Also Read: NEET Mock Tests PDF

Haloalkanes and Haloarenes NEET PYQ with Solutions

Haloalkanes and Haloarenes is a part of the NCERT Class 12 Chemistry curriculum. This chapter helps students understand reaction mechanisms, role of halogen compounds in medicines and pesticides and difference between SN1 and SN2 reactions. Check some of the NEET MCQ on Haloalkanes and Haloarenes chapter here-

CCl₂F₂ is one of the most common haloalkanes used in industries. The reaction through which it is manufactured from tetrachloromethane is called-

1. Finkelstein reaction
2. Sandmeyer's reaction
3. Swarts reaction
4. Wurtz-Fittig reaction

Answer- C

Identify the statement that is incorrect regarding chirality-

1. A racemic mixture shows zero optical rotation.
2. SN1 reaction yields a 1:1 mixture of both enantiomers.
3. The product obtained by SN2 reaction of haloalkane having chirality at the reactive site shows the inversion of configuration.
4. Enantiomers are superimposable mirror images on each other

Answer- D

Predict the order of reactivity of the following four isomers towards an SN2 reaction.

(I) CH₃CH₂CH₂CH₂Cl

(II) CH₃CH₂CH(Cl)CH₃

(III) (CH₃)₂CHCH₂Cl

(IV) (CH₃)₃CCl

1. (IV) > (III) > (II) > (I)
2. (I) > (II) > (III) > (IV)
3. (I) > (III) > (II) > (IV)
4. (IV) > (II) > (III) > (I)

Answer- C

Which method is incorrect for the synthesis of alkenes?

1. Treatment of alkynes with Na in liquid NH₃.
2. Heating alkyl halides with alcoholic KOH.
3. Treating alkyl halides in aqueous KOH solution.
4. Treating vicinal dihalides with Zn metal

Answer- C

The major product formed in dehydrohalogenation reaction of 2-Bromo pentane is Pent-2-ene.This product formation is based on-

1. Hofmann Rule
2. Huckel's Rule
3. Saytzeff's Rule
4. Hund's Rule

Answer- C

Which alkane cannot be made in good yield by Wurtz reaction?

1. n-Heptane 
2. n-Butane 
3. n-Hexane 
4. 2,3-Dimethylbutane

Answer- A

Elimination reaction of 2-Bromo-pentane to form pent-2-ene is-
(a) β-Elimination reaction 
(b) Follows Zaitsev rule 
(c) Dehydrohalogenation reaction 
(d) Dehydration reaction 

1. (a) (b), (c), (d)
2. (b) (a), (b), (d) 
3. (c) (a), (b), (c)
4. (d) (a), (c), (d)

Answer- C

Consider the reaction.
CH3CH2CH2Br + NaCN → CH3CH2CH2CN + NaBr
This reaction will be the fastest in-

1. Ethanol
2. Methanol
3. N, N' -dimethylformamide (DMF)
4. Water

Answer- C

In an SN1 reaction on chiral centers, there is-

1. Inversion more than retention leading to partial racemization
2. 100% retention
3. 100% inversion
4. 100% racemization

Answer- A

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