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Organic Chemistry JEE Mains Questions. We covered all the Organic Chemistry JEE Mains Questions in this post for free so that you can practice well for the exam.
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Mock test on Organic Chemistry for Students
Statement I: Petroleum consists of a mixture of various Hydrocarbons with differing densities. Statement II: The quality or grade of petroleum primarily depends on the proportion of these Hydrocarbons.
(a) Both statements are true, and Statement II correctly explains Statement I
(b) Both statements are true, but Statement II does not explain Statement I
(c) Statement I is true, but Statement II is false
(d) Statement I is false, but Statement II is true
Option a – Both statements are true, and Statement II correctly explains Statement I
A compound in which carbon atoms form a closed ring is called
(a) Aliphatic Hydrocarbons
(b) Cycloalkanes
(c) Alkanes
(d) Alkenes
Option b – Cycloalkanes
Aromatic compounds are
(a) Cyclic compounds
(b) Aliphatic compounds
(c) Saturated compounds
(d) All of the above
Option a – Cyclic compounds
Which of the following carbon-containing compounds is not considered Organic?
(a) Methane
(b) Nucleic Acids
(c) Cyanides
(d) Propane
Option c – Cyanides
The process used to produce wine is called
(a) Fermentation
(b) Catalyzation
(c) Conjugation
(d) Displacement
Option a – Fermentation
Which hydrocarbon type has the highest knocking tendency?
(a) Aromatic Hydrocarbons
(b) Olefins
(c) Branched-chain paraffins
(d) Straight-chain paraffins
Option d – Straight-chain paraffins
The first person to isolate methane and demonstrate that it could explode when mixed with air using a spark was
(a) Alessandro Volta
(b) William Thomson
(c) Louis Pasteur
(d) William Crookes
Option a – Alessandro Volta
The number of chain isomers of C₇H₁₆ is
(a) 9
(b) 4
(c) 6
(d) 7
Option a – 9
Assertion (A): Isomers have identical Molecular formulas. Reason (R): Isomers differ in the spatial arrangement of their atoms.
(a) Both A and R are true, and R correctly explains A
(b) Both A and R are true, but R does not explain A
(c) A is true, but R is false
(d) A is false, but R is true
Option d – A is false, but R is true
In Hydrocarbons, carbon is tetravalent, and hydrogen is
(a) Divalent
(b) Trivalent
(c) Monovalent
(d) Tetravalent
Option c – Monovalent
Which of these Hydrocarbons has only a single structure?
(a) Methane
(b) Ethane
(c) Propane
(d) All of these
Option d – All of these
Compounds in which carbon atoms form an open chain with single bonds are called
(a) Alkenes
(b) Alkynes
(c) Benzene
(d) Alkanes
Option d – Alkanes
Which compound has a strong fruity smell?
(a) Methyl chloride
(b) Methanoic Acid
(c) Methanol
(d) Ethyl acetate
Option b – Methanoic Acid
Assertion (A): Formic Acid is stronger than acetic Acid. Reason (R): Formic Acid is an Organic Acid.
(a) Both A and R are true, and R correctly explains A
(b) Both A and R are true, but R does not explain A
(c) A is true, but R is false
(d) A is false, but R is true
Option b – Both A and R are true, but R does not explain A
Which of the following is an aldehyde?
(a) Propanal
(b) Propanol
(c) Propanone
(d) Propine
Option d – Propine
The explosive compound nitroglycerine belongs to which category?
(a) Salt
(b) Nitro Hydrocarbons
(c) Complex Hydrocarbons
(d) Ester
Option d – Ester
Which of the following has a sweet fragrance?
(a) Ammonia
(b) Methanol
(c) Esters
(d) Ethanol
Option c – Esters
In which functional group is functional group isomerism impossible?
(a) Alcohols
(b) Aldehydes
(c) Alkyl halides
(d) Cyanides
Option c – Alkyl halides
Compounds with the same number and type of atoms but different structural arrangements are called
(a) Allotropes
(b) Isotopes
(c) Isomers
(d) Polymers
Option c – Isomers
Normal butane and isobutane are examples of
(a) Optical isomers
(b) Chain isomers
(c) Positional isomers
(d) Functional isomers
Option b – Chain isomers
Alkanes with different physical or chemical properties due to structural differences are called
(a) Chain isomers
(b) Position isomers
(c) Structural isomers
(d) Functional isomers
Option c – Structural isomers
How many chain isomers can butane form?
(a) One
(b) Three
(c) Two
(d) Four
Option c – Two
We covered all the Organic Chemistry JEE mains Questions above in this post for free so that you can practice well for the exam.
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