Alkanes

IMPORTANT

Alkanes: Overview

In this topic, we will learn in detail about the nomenclature, isomerism, preparation and physical and chemical properties of alkanes. It explains substitution reactions, combustion, controlled oxidation and conformations.

Important Questions on Alkanes

HARD
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What are N and M ?

MEDIUM
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CH3CH2CH=CH2 contains X number of allylic hydrogen and CH3CH=CHCH3 contains Y number of allylic hydrogen.The number of structural isomers of C6H14 are

MEDIUM
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The increasing order of reduction of alkyl halides with zinc chloride and dil.HCl is

EASY
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Identify the molecular formula of simple alkane that formed by the reaction between sodium acetate and soda lime

MEDIUM
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Alkane can not be obtained using zinc and hydrochloric acid from:

EASY
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Complete the following equation:

CH4g+4Cl2g_____l+4HClg

A: CCl4     B: CH3Cl     C: CH2Cl2

Enter your correct answer as A, B, or C.

EASY
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H2O vapour is also produced on burning methane.

MEDIUM
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Write the chemical equation for burning of methane.

MEDIUM
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Why is ethane insoluble in water but soluble in organic solvents?

EASY
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Ethane is easily soluble in water but insoluble in benzene.

MEDIUM
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Methane has a low melting point and boiling point, give a reason for it.

EASY
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The boiling point of methane is _____ (approximately).

EASY
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The melting point and boiling point of methane is very low.

EASY
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Ethane can be prepared in the laboratory by decarboxylation of the sodium salt of fatty acid.

MEDIUM
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How ethane can be prepared in the laboratory? Write the chemical equation for it.

EASY
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The structure of a methane molecule is tetrahedral and contains four covalent bonds.

EASY
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Draw the structure of the methane molecule.

EASY
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Complete the following equation:

CH3COONa+NaOH  CaO_____+Na2CO3 

A: CH4     B: CH3COOH     C: CH3OH

Enter your correct answer as A, B, or C.

EASY
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Methane is prepared in the laboratory by heating a mixture of sodium acetate with soda ash.

MEDIUM
IMPORTANT

Write the balanced equation for the laboratory preparation of methane.