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NEET Haloalkanes and Haloarenes PYQs with Solutions

489 previous year questions from Haloalkanes and Haloarenes (NEET UG Chemistry) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

489 questionsChemistry2004–2026Answers + solutions

About Haloalkanes and Haloarenes PYQs

Haloalkanes and Haloarenes has 489 previous year questions in the Quantrex Academy NEET UG Chemistry bank. The 220 questions in this list come from NEET (191), MHT CET Medical (15) and JIPMER (14), spanning 2004 to 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

Questions by year (this list)

2026: 16
2025: 2
2024: 1
2019: 2
2018: 2
2016: 2
2015: 1
2014: 1
2013: 1
2011: 2
2009: 2
2004: 1

Haloalkanes and Haloarenes questions with solutions

Which order of kinetics is followed by the reaction between tert-butyl bromide and hydroxide ion to give tert-Butyl alcohol?

MHT CET Medical 2026 Solution View → 6

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : undergoes S_ N 2 reaction faster than Reason (R)

NEET 2025 Solution View → 18

How many products (including stereoisomers) are expected from monochlorination of the following compound?

NEET 2025 Solution View → 19

The following reaction method is not suitable for the preparation of the corresponding haloarene products, due to high reactivity of halogen, when X is :

NEET 2024 Solution View → 20

What effect does the presence of a nitro group (-NO 2 ) at the ortho- and para-positions have on the reactivity of haloarenes?

NEET Solution View → 48

What is the main reason for the low yield of any single compound in the free radical chlorination or bromination of alkanes?

NEET Solution View → 61

Why do the boiling points of chlorides, bromides, and iodides of organic compounds tend to be higher than those of hydrocarbons with comparable molecular mass?

NEET Solution View → 102

Which step of the reaction is the slowest and reversible?

NEET Solution View → 103

How does the energy required to dissolve haloalkanes in water compare to the energy released when new attractions are formed with water molecules?

NEET Solution View → 104

What term is used to describe the spatial arrangement of atoms in the molecules of two types of crystals, according to Louis Pasteur?

NEET Solution View → 116

Related NEET Chemistry chapters

Chemical Bonding and Molecular Structure (1,423)General Organic Chemistry (1,091)p Block Elements (Group 15, 16, 17 & 18) (1,072)Biomolecules (1,038)Coordination Compounds (891)d and f Block Elements (869)Electrochemistry (865)Chemical Kinetics (819)Structure of Atom (785)Ionic Equilibrium (764)Hydrocarbons (757)Thermodynamics (C) (730)

Haloalkanes and Haloarenes in other exams

JEE Haloalkanes and Haloarenes (474)BITSAT Haloalkanes and Haloarenes (14)

NEET Haloalkanes and Haloarenes PYQs with Solutions

About Haloalkanes and Haloarenes PYQs

Questions by year (this list)

Haloalkanes and Haloarenes questions with solutions

Which of the following reactions can convert chlorobenzene into toluene?

Identify best method for preparation of Alkyl fluoride from following

Identify the chemical name of the commonly used refrigerant Freon 12

Which of the following alkyl halides gives a mixture of alkenes on dehydrohalogenation?

Which order of kinetics is followed by the reaction between tert-butyl bromide and hydroxide ion to give tert-Butyl alcohol?

Above reaction is known as

Which of the following product obtained when alkyl chloride react with aq KOH at room temperature?

Chlorobenzene reacts with Mg in dry ether to give a compound A, which further reacts with ethanol to give B. Identify B.

Which of the following is not an allylic halide?

What is the correct order of reactivity of haloalkanes towards β -elimination reaction?

What type of halide, the compound C_6H_5CH_2Br , is?

Identify the A and B in the following reactions in alcoholic medium. RX + AgCN arrow A + AgX RX + KCN arrow B + KX

What is the main product obtained when sodium ethoxide reacts with isopropyl chloride?

Which of the following compounds forms isopropyl cyanide?

Which of the following is the correct structure of DDT ?

One of the products formed in the following reaction is

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : undergoes S_ N 2 reaction faster than Reason (R)

How many products (including stereoisomers) are expected from monochlorination of the following compound?

The following reaction method is not suitable for the preparation of the corresponding haloarene products, due to high reactivity of halogen, when X is :

Which of the following is not correct?

CH_3-CH_2-CH_2-Br Alc. KOH Final product is

What is the product of the above reaction?

Among the following, the suitable reagent for Wurtz reaction is

In the following conversion, Identify ' A ' from the following option

When 2-methyl butyl bromide is treated with sodium ethoxide in ethanol, what will be the major product?

R-CH_2-CH_2-OH can be converted into R CH_2 CH_2 COOH by the following sequence of steps.

Which one of the following does not undergo iodoform reaction?

The above reaction is known as

In electrophilic aromatic substitution reaction, the nitro group is meta directing because it

The best method for the conversion of an alcohol into an alkyl chloride is by treating the alcohol with

t -butyl chloride preferably undergo hydrolysis by

Iodoform gives a precipitate with AgNO_3 on heating but chloroform does not because

CH_3 CHCl_2 , on hydrolysis, will give

Which metallic fluorides are suitable for the synthesis of alkyl fluorides?

What is the result of the reaction between Grignard reagents and water?

In which type of solvent is the Wurtz-Fittig reaction typically carried out?

What type of charge is typically found on the carbon atom bonded to halogen in a haloalkane?

What is the configuration of the carbon atom under attack in the transition state of an S N 2 reaction?

Why is it less likely for the electron-rich nucleophile to approach electron-rich arenes?

Who is credited with the discovery of alkyl magnesium halides, often referred to as Grignard Reagents?

What is the physical state of higher members of organic halogen compounds at room temperature?

What is the role of hydroxide ion in the reaction with CH 3 Cl?

What is the consequence of freon's presence in the stratosphere?

At what temperature is chlorobenzene converted into phenol when using aqueous sodium hydroxide solution?

Which class of compounds serves as substrates in nucleophilic substitution reactions?

How are alkyl iodides often prepared?

What effect does the presence of a nitro group (-NO 2 ) at the ortho- and para-positions have on the reactivity of haloarenes?

What is the hybridization of the carbon atom attached to halogen in haloalkanes?

What is the hybridization of the carbon atom attached to halogen in haloarenes?

What is the solvent used in the Wurtz reaction?

How does the presence of a halogen atom affect the reactivity of haloarenes compared to benzene?

What did Louis Pasteur observe about the optical rotation of solutions of mirror-image crystals?

Who discovered the effectiveness of DDT as an insecticide?

Why do haloalkanes tend to dissolve in organic solvents?

What is the most common effect of exposure to carbon tetrachloride?

What is the effect of introducing an electron-withdrawing group at the meta-position in haloarenes?

What is the effect of greater s-character in carbon on electronegativity?

What is the order of reactivity of alcohols with a given haloacid?

What is the reason for the instability of the phenyl cation in haloarenes?

What is the main reason for the low yield of any single compound in the free radical chlorination or bromination of alkanes?

What character does the C-Cl bond acquire in haloarenes due to resonance?

Why do para-isomers have higher melting points compared to ortho- and meta-isomers?

Why is the C—Cl bond length shorter in haloarenes compared to haloalkanes?

What is a compound called if it rotates the plane of plane-polarized light to the left (anticlockwise direction)?

What type of reactions do haloarenes undergo with the benzene ring?

What problems began to arise in the late 1940s related to the extensive use of DDT?

What are groups like cyanides and nitrites called due to their possession of two nucleophilic centers?

What is the primary reason for the slow electrophilic substitution reactions in haloarenes compared to benzene?

What happens when a haloalkane with a β-hydrogen atom is heated with an alcoholic solution of potassium hydroxide?

How are good yields of alkyl iodides (R—I) obtained?

Which type of alkyl halide reacts most rapidly in S N 2 reactions?

What are the two methods for preparing alkyl chloride?

What is the result of reacting an alkene with hydrogen chloride, hydrogen bromide, or hydrogen iodide?

What happens when carbon tetrachloride is released into the air?

What is the specific type of charge found on nucleophiles?

When does a reaction proceed with retention of the configuration?