JEE PYQ General Organic Chemistry - Chapter-wise Questions with Solutions

About General Organic Chemistry PYQs

General Organic Chemistry has 1,144 previous year questions in the Quantrex Academy JEE Main & Advanced Chemistry bank. The 220 questions in this list come from JEE Main (163) and JEE Advanced (57), spanning 2006 to 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

JEE General Organic Chemistry PYQs with Solutions

About General Organic Chemistry PYQs

Questions by year (this list)

General Organic Chemistry questions with solutions

Given below are two statements: Statement I: Vapours of the liquid with higher boiling point condense before vapours of the liquid with lower boiling points in fractional

The total number of aromatic compounds/species from the following is

Given below are two statements : Statement I : A mixture of C _ 12 H _ 22 O _ 11 (sugar) and NaCl can be separated by dissolving sugar in alcohol, due to differential solubility.

Shown below is the structure of methyl acetate with three different α , β and γ carbon - oxygen bonds. The correct order of bond lengths of these bonds is :

Given below are two statements: Statement I: 2,6 -diethylcyclohexanone and 6 -methyl- 2 -n-propylcyclohexanone are metamers. Statement II: 2,2,6,6 -tetramethylcyclohexanone

Match List-I with List-II. List-I (Purification technique) List-II (Used to separate) A. Simple distillation I. Steam volatile compound B. Fractional distillation II. Two liquids

Identify the correct IUPAC name of hydrocarbon ( x ) containing three primary carbon atoms and with molar mass 72 g mol^ -1 .

Given below are two statements: Statement I: On the basis of inductive effect, the order of stability of alkyl carbanions is CH _3^- > CH _3 -CH _2^- > (CH _3 ) _2 CH ^- > (CH _3

In an estimation of sulphur by Carius method 0.2 g of the substance gave 0.6 g of BaSO _4 . The percentage of sulphur in the substance is _____ %. (Given molar mass in g mol ^ -1

Consider the following molecules/species: (x) tropone, (y) acetone, (z) acetate ion The correct order of carbon – oxygen double bond length is:

The following structures are

In sulphur estimation, 2.0 × 10^ -3 mol of an organic compound (X) (molar mass 76 g mol ^ -1 ) gave 0.4813 g of barium sulphate (molar mass 233 g mol ^ -1 ). The percentage of

Increasing order of electron withdrawing power of following functional groups is: a. -CN b. -COOH c. -NO_2 d. -I

2.0 g of a bromo hydrocarbon (X) was subjected to Carius analysis, gave 3.36 g of AgBr . The percentage of carbon in the compound (X) is 26.7\% . Total number of carbon atoms in

Complete combustion of X g of an organic compound gave 0.25 g of CO_2 and 0.12 g of H_2 O . If the % of carbon is 25\% and of hydrogen is 4.89\% , then X = _____ × 10^ -3 g.

Given below are two statements: Statement I: In O_2 N - C_6 H_4 - CH^ - C_6 H_4 - OCH_3 , the carbocation is stabilised by +R effect of -OCH_3 group. Statement II: In O_2 N - C_6

In IUPAC nomenclature, the correct order of decreasing priority of functional group is :

The cyclic cations having the same number of hyperconjugation are : Choose the correct answer from the options given below :

CORRECT order of stability for the following is CH_ 2 =CH^ - , CH_ 3 -CH_ 2 ^ - , CH ≡ C^ -

0.53 g of an organic compound (x) when heated with excess of nitric acid (concentrated) and then with silver nitrate gave 0.75 g of silver bromide precipitate. 1.0 g of (x) gave

Given below are two statements: Statement I : There are several conformers for n -butane. Out of those conformers, is the least stable and most stable conformer is Statement II

Find out the statements which are not true. A. Resonating structures with more number of covalent bonds and lesser charge separation are more stable. B. In electromeric effect, an

0.25 g of an organic compound " A " containing carbon, hydrogen and oxygen was analysed using the combustion method. There was an increase in mass of CaCl_ 2 tube and potash tube

Arrange the following carbanions in the decreasing order of stability. Choose the correct answer from the options given below:

Arrange the following alkenes in decreasing order of stability. Choose the correct answer from the options given below:

In Dumas method for estimation of nitrogen, 0.50 g of an organic compound gave 70 mL of nitrogen collected at 300 K and 715 mm pressure. The percentage of nitrogen in the organic

In Carius method 0.2425 g of an organic compound gave 0.5253 g silver chloride. The percentage of chlorine in the organic compound is

Given below are two statements: Statement I : (CH_ 3 )_ 3 C is more stable than C H_ 3 as nine hyperconjugation interactions are possible in (CH_ 3 )_ 3 C . Statement II : C H_ 3

Given below are two statements : Statement I : Sublimation is used for the separation and purification of compounds with low melting point. Statement II : The boiling point of a

The IUPAC name of the following compound is :

When 1 g of compound (X) is subjected to Kjeldahl's method for estimation of nitrogen, 15 mL 1 M H_ 2 SO_ 4 was neutralized by ammonia evolved. The percentage of nitrogen in

Sodium fusion extract of an organic compound (Y) with CHCl_ 3 and chlorine water gives violet color to the CHCl_ 3 layer. 0.15 g of (Y) gave 0.12 g of the silver halide

Match List - I with List - II. List - I List - II Pair of Compounds Type of Isomers A. 2-Methylpropene and but-1-ene I. Stereoisomers B. Cis-but-2-ene and trans-but-2-ene II.

Given below are four compounds : (a) n-propyl chloride (b) iso-propyl chloride (c) sec-butyl chloride (d) neo-pentyl chloride Percentage of carbon in the one which exhibits

Given below are two statements : Statement I : Compound (X) , shown below, dissolves in NaHCO_ 3 solution and has two chiral carbon atoms Statement II : Compound (Y) , shown

In Carius method, 0.75 g of an organic compound gave 1.2 g of barium sulphate, find percentage of sulphur (molar mass 32 ~g ~mol^ -1 ). Molar mass of barium sulphate is 233 ~g

Identify correct statements from the following : A. Propanal and propanone are functional isomers. B. Ethoxyethane and methoxypropane are metamers. C. But-2-ene shows optical

From the following, the least stable structure is:

Consider the depicted hydrogen ( H ) in the hydrocarbons given below. The most acidic hydrogen ( H ) is

The monomer (X) involved in the synthesis of Nylon 6,6 gives positive carbylamine test. If 10 moles of X are analyzed using Dumas method, the amount (in grams) of nitrogen gas

Match the List-I with List-II List-I List-II A. Carbocation I. Species that can supply a pair of electrons. B. C-Free radical II. Species that can receive a pair of electrons. C.

Given below are two statements : In the light of the above statements, choose the most appropriate answer from the options given below :

In Dumas' method 292 mg of an organic compound released 50 mL of nitrogen gas (N_2) at 300 K temperature and 715 mm Hg pressure. The percentage composition of ' N ' in the organic

Which of the following is the correct IUPAC name of given organic compound (X) ?

The IUPAC name of the following compound is -

Match List-I with List-II - List-I (Separation of) List-II (Separation Technique) (A) Aniline from aniline-water mixture (I) Simple distillation (B) Glycerol from spent-lye in

In which pairs, the first ion is more stable than the second?

Given below are two statements. Statement I : The dipole moment of 4 CH_3 - 3~~~~ CH = 3~~~~ CH - 1~~~~ CH =O is greater than 4 CH_3 - 3 CH_2 - 2 CH_2 - 1 CH =O Statement II

In Dumas' method for estimation of nitrogen 1 g of an organic compound gave 150 mL of nitrogen collected at 300 K temperature and 900 mm Hg pressure. The percentage composition of

What is the correct IUPAC name of

Given below are two statements: Statement I : Hyperconjugation is not a permanent effect. Statement II : In general, greater the number of alkyl groups attached to a positively

In Dumas' method for estimation of nitrogen 0.4 g of an organic compound gave 60 mL of nitrogen collected at 300 K temperature and 715 mm Hg pressure. The percentage composition

The total number of structural isomers possible for the substituted benzene derivatives with the molecular formula C_9 H_ 12 is ______.

Identify the correct statements from the following Choose the correct answer from the options given below

During estimation of nitrogen by Dumas' method of compound X(0.42 ~g) : _____ mL of N_2 gas will be liberated at STP. (nearest integer) (Given molar mass in g mol^ -1 : C: 12, H

Match List-I with List-II Choose the correct answer from the options given below :

In Dumas' method for estimation of nitrogen, 0.5 gram of an organic compound gave 60 mL of nitrogen collected at 300 K temperature and 715 mm Hg pressure. The percentage

Consider the following compound (X) The most stable and least stable carbon radicals, respectively, produced by homolytic cleavage of corresponding \(C-H\) bond are :

Designate whether each of the following compounds is aromatic or not aromatic.

Given below are two statements : Statement (I): In partition chromatography, stationary phase is thin film of liquid present in the inert support. Statement (II) : In paper

In the sulphur estimation, 0.20 g of a pure organic compound gave 0.40 g of barium sulphate. The percentage of sulphur in the compound is ______ × 10^ -1 \% . (Molar mass : O=16

Total number of nucleophiles from the following is : \( NH _ 3 , PhSH,(H _ 3 C)_ 2 ~S, H _ 2 C=CH _ 2 , O H, H _ 3 O^ ,(CH _ 3 )_2 CO, \)

The steam volatile compounds among the following are : (A) (B) (C) (D) Choose the correct answer from the options given below :

Match List - I with List - II. Choose the correct answer from the options given below :

Given below are two statements : Statement (I) : are isomeric compounds. Statement (II) : are functional group isomers.

The purification method based on the following physical transformation is :

The correct order of stability of following carbocations is :

Identify correct statement/s : (A) -OCH_3 and -NHCOCH_3 are activating group. (B) -CN and -OH are meta directing group. (C) -CN and -SO_3 H are meta directing group. (D)

In Carius method of estimation of halogen, 0.25 g of an organic compound gave 0.15 g of silver bromide (AgBr) . The percentage of Bromine in the organic compound is …… × 10^ -1 \%

The possible number of stereoisomers for 5-phenylpent-4-en-2-ol is ……

Given below are two statements I and II. Statement I: Dumas method is used for estimation of "Nitrogen" in an organic compound. Statement II: Dumas method involves the formation

Which one of the carbocations from the following is most stable?

Given below are two statements: Statement I: In Lassaigne's test, the covalent organic molecules are transformed into ionic compounds. Statement II: The sodium fusion extract of

Propane molecule on chlorination under photochemical condition gives two di-chloro products, " x " and " y ". Amongst " x " and " y ", " x " is an optically active molecule. How

The correct stability order of the following species/molecules is:

During " S " estimation, 160 mg of an organic compound gives 466 mg of barium sulphate. The percentage of Sulphur in the given compound is _______ %. (Given molar mass in g mol^

Given below are two statements. Statement I : The dipole moment of 4 CH_3 - 3 CH = 3 CH - 1 CH =O is greater than 4 CH_3 - 3 CH_2 - 2 CH_2 - 1 CH =O Statement II