Chemistry · JEE

Alkanes: Conformations: Sawhorse and Newman projections (of ethane), mechanism of halogenation of alkanes Concepts for JEE

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Master Alkanes: Conformations: Sawhorse and Newman projections (of ethane), mechanism of halogenation of alkanes by understanding definitions, standard results, and typical JEE question patterns — then practise with syllabus-aligned MCQs on Goodmarks.

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Concept explainer

Alkanes: Conformations: Sawhorse and Newman projections (of ethane), mechanism of halogenation of alkanes is a core JEE Main Chemistry subtopic under Hydrocarbons. Master the definitions, standard results, and typical MCQ patterns tested in JEE Main and Advanced.

Key points

Understand the definition and scope of Alkanes: Conformations: Sawhorse and Newman projections (of ethane), mechanism of halogenation of alkanes in the JEE syllabus
Memorise key formulas and standard results linked to Alkanes: Conformations: Sawhorse and Newman projections (of ethane), mechanism of halogenation of alkanes
Practise 20–40 syllabus-aligned MCQs with step-by-step solutions

JEE tips

Revise Alkanes: Conformations: Sawhorse and Newman projections (of ethane), mechanism of halogenation of alkanes with a one-page formula sheet before attempting mixed tests
After each practice set, log mistakes specific to Alkanes: Conformations: Sawhorse and Newman projections (of ethane), mechanism of halogenation of alkanes and reattempt after 48 hours

Common trap

Students often rush Alkanes: Conformations: Sawhorse and Newman projections (of ethane), mechanism of halogenation of alkanes questions without checking units, sign conventions, or boundary conditions — always verify assumptions before calculating.

Syllabus context

Part of Hydrocarbons in JEE Main Chemistry.

Free sample questions

Attempt 8 free MCQs for Alkanes: Conformations: Sawhorse and Newman projections (of ethane), mechanism of halogenation of alkanes. Unlock 3+ more with Pro.

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Q1ChemistryUnit 15: Hydrocarbons

The sequence of reagent which can efficiently bring about the above conversion is (are) ? Consider the following synthesis This question has multiple correct options

Q2ChemistryUnit 15: Hydrocarbons

An alkyl bromide,

R B r

of molecular weight 151 is the exclusive product of bromination of which hydrocarbon?

Q3ChemistryUnit 15: Hydrocarbons

Energy barrier between staggered and eclipsed ethane is :

Q4ChemistryUnit 15: Hydrocarbons

Incomplete combustion of fuel such as petrol and diesel gives:

Q5ChemistryUnit 15: Hydrocarbons

Arrange the following hydrocarbons in the increasing order of volume of oxygen required for complete combustion per mole under the same conditions. (a) Ethane (b) Propyne (c) Ethyne (d) Propene (e) Propane (f) Ethene

Q6ChemistryUnit 15: Hydrocarbons

Which is the most stable conformation of ethane?

Q7ChemistryUnit 15: Hydrocarbons

Which compound has lowest melting point?

Q8ChemistryUnit 15: Hydrocarbons

The compound

C_{8} H_{18}

forms single product on monohalogenation. The IUPAC name of

\boldsymbol{C}_{\mathbf{8}} \boldsymbol{H}_{\mathbf{1 8}}

is :

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Frequently asked questions

What concepts in Alkanes: Conformations: Sawhorse and Newman projections (of ethane), mechanism of halogenation of alkanes are essential for JEE?

Focus on core ideas across Alkanes: Conformations: Sawhorse and Newman projections (of ethane), mechanism of halogenation of alkanes. JEE tests application, not just memorisation.