Quantrex Academy Quantrex AcademyPYQs with solutions · JEE · NEET · NDA

Home · NEET UG · Chemistry · General Organic Chemistry

General Organic Chemistry — NEET UG Chemistry PYQs

1,091 previous year questions from General Organic Chemistry with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

1,091 questionsChemistrySolutions on every page
1

Identify the overlapping orbitals involved in hyperconjugation from following.

MHT CET Medical 2026 Solution View → 2

What is the IUPAC name of ( CH ₃)₂ CH-COOH ?

MHT CET Medical 2026 Solution View → 3

What is the IUPAC name of the following compound?

MHT CET Medical 2026 Solution View → 4

CH ₃ -CH=CH-CH ₂ -COOH What is the IUPAC name of the above compound ?

MHT CET Medical 2026 Solution View → 5

What is IUPAC name of the following organic compound?

MHT CET Medical 2026 Solution View → 6

Which of the following exhibits - I effect?

MHT CET Medical 2026 Solution View → 7

Which of the following statement is NOT correct about a racemic mixture?

MHT CET Medical 2026 Solution View → 8

What type of isomerism is found in but-2-ene?

MHT CET Medical 2026 Solution View → 9

How many primary amine isomeric forms are possible for the formula C ₄ H ₁₁ N ?

MHT CET Medical 2026 Solution View → 10

Identify free radical inhibitor from following. (A) (B) O ₂ (C) (D) CrO ₃ Choose the correct answer from the options given below.

MHT CET Medical 2026 Solution View → 11

The delocalization of electrons due to overlap between p-orbital and sigma bond is called.

MHT CET Medical 2026 Solution View → 12

Which of the following factors is associated with optical activity of a molecule?

MHT CET Medical 2026 Solution View → 13

What is IUPAC name of acrylic acid?

MHT CET Medical 2026 Solution View → 14

Which of the following is heterocyclic aromatic compound?

MHT CET Medical 2026 Solution View → 15

Which among the following is false statement for enantiomers?

MHT CET Medical 2026 Solution View → 16

What is IUPAC name of Isoprene?

MHT CET Medical 2026 Solution View → 17

The IUPAC name of compound

MHT CET Medical 2026 Solution View → 18

Identify the alkane having two secondary carbon atoms.:

MHT CET Medical 2026 Solution View → 19

The IUPAC name of Neo-pentyl chloride is _____

MHT CET Medical 2026 Solution View → 20

Identify the correct order of the priority of the following functional group.

MHT CET Medical 2026 Solution View → 21

The dihedral angle in the staggered conformation of CH ₃ CH ₃ is

MHT CET Medical 2026 Solution View → 22

What is IUPAC name of ( CH ₃)₃ CBr ?

MHT CET Medical 2026 Solution View → 23

Compare the relative stability of given carbocations. CH ₃ - + C -(CH ₃)₂ (I) CH ₃ - + C H-CH ₃ (II) CH ₃ - + C H ₂ (III)

MHT CET Medical 2026 Solution View → 24

Which of the following is a gas at room temperature ?

MHT CET Medical 2026 Solution View → 25

Which of the following instruments is used to find out absorption of functional groups?

MHT CET Medical 2026 Solution View → 26

Identify the IUPAC name of the compound.

MHT CET Medical 2026 Solution View → 27

Which of the following is Not a Freon?

MHT CET Medical 2026 Solution View → 28

Which of the following formula of the third higher Homologue of CH ₃ -CH ₂ -COOH ?

MHT CET Medical 2026 Solution View → 29

The following carbocation is stabilized by the interaction of the empty p orbital with

NEET 2026 Solution View → 30

The pair of molecules that are metamers among the following is :

NEET 2026 Solution View → 31

During Lassaigne's test, the elements present in an organic compound are converted from :

NEET 2026 Solution View → 32

The correct IUPAC name of the following compound is :

NEET 2026 Solution View → 33

Arrange the following compounds in the increasing order of polarity A. CH ₃ CH ₂ OCH ₂ CH ₃ B. CH ₃ CH ₂ OH C. CH ₃ COCH ₃ D. CH ₃ COOH Choose the correct answer from the options g

NEET 2026 Solution View → 34

Which one of the following compounds can exist as cis-trans isomers?

NEET 2025 Solution View → 35

Which one of the following reactions does NOT belong to "Lassaigne's test" ?

NEET 2025 Solution View → 36

Among the given compound I-III, the correct order of bond dissociation energy of C - H bond marked with * is :-

NEET 2025 Solution View → 37

Match List-I with List-II array |l|l|l|l| & List-I (Mixture) & & List-II (Method of Separation) A. & CHCl ₃+ C ₆ H ₅ NH ₂ & I. & Distillation under reduced pressure B. & Crude oil

NEET 2025 Solution View → 38

The correct IUPAC name of the compound

NEET 2024 Solution View → 39

On complete combustion, 0.3 g of an organic compound gave 0.2 g of CO ₂ and 0.1 g of H ₂ O . The percentage composition of carbon and hydrogen in the compound, respectively is:

NEET 2024 Solution View → 40

Methyl group attached to a positively charged carbon atom stabilizes the carbocation due to

NEET 2024 Solution View → 41

On heating, some solid substances change from solid to vapour state without passing through liquid state. The technique used for the purification of such solid substances based on

NEET 2024 Solution View → 42

Given below are two statements: Statement I : The boiling point of three isomeric pentanes follows the order n-pentane isopentane neopentane Statement II : When branching increases

NEET 2024 Solution View → 43

The most stable carbocation among the following is :

NEET 2024 Solution View → 44

A compound with a molecular formula of C ₆ H ₁₄ has two tertiary carbons. Its IUPAC name is :

NEET 2024 Solution View → 45

A steam volatile organic compound which is immiscible with water has a boiling point of 250^ C . During steam distillation, a mixture of this organic compound and water will boil :

NEET 2024 Solution View → 46

Match List-I with List-II. ( array |c|l|c|l| & List-I & & List-II & (Mixtures/Sample) & & (Technique used for purification) (A) & Glycerol from spent lye & (I) & Steam distillation

NEET 2023 Solution View → 47

Given below are two statements: Statement I: In an organic compound, when inductive and electromeric effects operate in opposite directions, the inductive effect predominates. Stat

NEET 2023 Solution View → 48

In Lassaigne's extract of organic compound both nitrogen and sulphur are present, which gives blood-red colour with Fe 3 + due to the formation of

NEET 2023 Solution View → 49

Which amongst the following will be most readily dehydrated under acidic conditions?

NEET 2023 Solution View → 50

The given compound is an example of

NEET 2023 Solution View → 51

(i) (ii) (iii) (iv) (v) (vi) (vii) The number of compounds/species which obey Huckel's rule is _____

NEET 2023 Solution View → 52

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Chlorine is an electron withdrawing group but it is ortho,

NEET 2022 Solution View → 53

Which compound amongst the following is not an aromatic compound?

NEET 2022 Solution View → 54

The Kjeldahl's method for the estimation of nitrogen can be used to estimate the amount of nitrogen in which one of the following compounds?

NEET 2022 Solution View → 55

The incorrect statement regarding chirality is :

NEET 2022 Solution View → 56

The correct IUPAC name of the following compound is:

NEET 2022 Solution View → 57

Which of the following is the most stable carbocation?

NEET 2022 Solution View → 58

The correct structure of 2 ,   6 - Dimethyldec- 4 -ene is:

NEET 2021 Solution View → 59

The compound which shows metamerism is:

NEET 2021 Solution View → 60

Dihedral angle of least stable conformer of ethane is:

NEET 2021 Solution View → 61

A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following?

NEET 2020 Solution View → 62

Paper chromatography is an example of

NEET 2020 Solution View → 63

A liquid compound (x) can be purified by steam distillation only if it is

NEET 2020 Solution View → 64

During nitration of benzene, the attacking electrophile is

JIPMER 2019 Solution View → 65

Write the IUPAC name of given structure

JIPMER 2019 Solution View → 66

Which of the following amino acid is optically inactive?

JIPMER 2019 Solution View → 67

Which can not behave as a nucleophile for S _ N 2 reaction?

JIPMER 2019 Solution View → 68

Which method is used to find halogen in organic compound?

JIPMER 2019 Solution View → 69

Write IUPAC name of the following

JIPMER 2019 Solution View → 70

The most stable carbocation, among the following is

NEET 2019 Solution View → 71

The correct order of the basis strength of methyl substituted amines in aqueous solution is:

NEET 2019 Solution View → 72

The compound that is most difficult to protonate is:

NEET 2019 Solution View → 73

Among the following, the non-aromatic heterocyclic compound is

JIPMER 2018 Solution View → 74

Which of the following compound can exhibit tautomerism?

JIPMER 2018 Solution View → 75

In Kjeldahl's method, the nitrogen present in an organic compound is quantitatively converted into

JIPMER 2018 Solution View → 76

The pair of structures given below represents

JIPMER 2018 Solution View → 77

Relative stabilities of the following carbocations will be in the order

JIPMER 2018 Solution View → 78

Which of the following carbocations is expected to be the most stable?

NEET 2018 Solution View → 79

Nitration of aniline in strong acidic medium also gives m -nitroaniline because:

NEET 2018 Solution View → 80

Which of the following is correct with respect to - I effect of the substituent? ( R = alkyl group)

NEET 2018 Solution View → 81

Which of the following is the correct IUPAC name?

JIPMER 2017 Solution View → 82

Which of the following sodium compound/compound(s) are formed when an organic compound containing both nitrogen and sulphur is fused with sodium?

JIPMER 2017 Solution View → 83

The most stable carbonium ion among the following is

JIPMER 2017 Solution View → 84

Which one of the following is the most acidic compound?

NEET 2017 Solution View → 85

The correct statement regarding electrophile is,

NEET 2017 Solution View → 86

The most suitable method of separation of 1 : 1 mixture of ortho and para-nitrophenol is:

NEET 2017 Solution View → 87

With respect to the conformers of ethane, which of the following statements is true?

NEET 2017 Solution View → 88

The IUPAC name of the compound is ________.

NEET 2017 Solution View → 89

Consider the following structures. Choose the correct statement regarding the above structures.

JIPMER 2016 Solution View → 90

Duma's method involves the determination of nitrogen content in the organic compound in the form of

JIPMER 2016 Solution View → 91

In which of the following molecules, all atoms are coplanar?

NEET 2016 Solution View → 92

Which among the given molecules can exhibit tautomerism ?

NEET 2016 Solution View → 93

The correct order of strengths of carboxylic acids is

NEET 2016 Solution View → 94

The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha carbon, is:

NEET 2016 Solution View → 95

The correct statement regarding the basicity of aryl amines is:

NEET 2016 Solution View → 96

The pair of electron in the given carbanion, C H 3 C ≡ C ⊖   is present in which of the following orbitals?

NEET 2016 Solution View → 97

In pyrrole, the electron density is maximum on

NEET 2016 Solution View → 98

The correct statement regarding the comparison of staggered and eclipsed conformations of ethane, is:

NEET 2016 Solution View → 99

Which of the following biphenyls is optically active?

NEET 2016 Solution View → 100

The suitable reaction steps to carry out the following transformation is

JIPMER 2015 Solution View → 101

The major product P will be

JIPMER 2015 Solution View → 102

For carbanion Stability order will be

JIPMER 2015 Solution View → 103

What is product of the following sequence of reactions?

JIPMER 2015 Solution View → 104

The aqueous solution of an unknown sodium salt gives the following reactions. I. It decolourises a solution of iodine in potassium iodide. II. It gives white turbidity with dil. HC

JIPMER 2015 Solution View → 105

What is correct about the following structure?

JIPMER 2015 Solution View → 106

Which of the following statements is not correct for a nucleophile?

NEET 2015 Solution View → 107

Two possible stereo-structures of C H 3 C H O H C O O H , which are optically active, are called:

NEET 2015 Solution View → 108

In Duma's method for estimation of nitrogen, 0.25 g of an organic compound gave 40 mL of nitrogen collected at 300 K temperature and 725 mm pressure. If the aqueous tension at 300

NEET 2015 Solution View → 109

Consider the following compounds Hyperconjugation occurs in:

NEET 2015 Solution View → 110

Which of the following is the most correct electron displacement for a nucleophile reaction to take place?

NEET 2015 Solution View → 111

Given, Which of the given compounds can exhibit tautomerism?

NEET 2015 Solution View → 112

In which of the following compounds, the C - C l bond ionization shall give most stable carbonium ion?

NEET 2015 Solution View → 113

The number of structural isomers possible from the molecular formula C 3 H 9 N is:

NEET 2015 Solution View → 114

In Duma's method of estimation of nitrogen, 0.35 g of an organic compound gave 55 mL of nitrogen collected at 300 K temperature and 715 mm pressure. The percentage composition of n

JIPMER 2014 Solution View → 115

Which of the following is not a resonating form of benzaldehyde?

JIPMER 2014 Solution View → 116

Which of the following compounds gives carbylamine test?

JIPMER 2014 Solution View → 117

Which of the following will be most stable diazonium salt R N 2 + X - ?

NEET 2014 Solution View → 118

In the Kjedahl's method for estimation of nitrogen present in soil sample, ammonia evolved from 0.75 g of sample neutralized 1 0 m l of 1 M   H 2 S O 4 The percentage of n

NEET 2014 Solution View → 119

Which of the following compounds will undergo racemisation when solution of K O H hydrolyses? (i) (ii) C H 3 C H 2 C H 2 C l (iii) (iv)

NEET 2014 Solution View → 120

Which one of the following acts as a nucleophile?

JIPMER 2013 Solution View →
Practice all General Organic Chemistry questions in the app →