Assertion :The alkanes are considered a homologous series
Reason: Homologous series have the same functional group but differ in the formula by the addition of a fixed group of atoms

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The alkanes are considered a homologous series because they have same functional group but differ in the formula by the addition of $C H_{3}$ fixed group of atoms.

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Similar questions

ASSERTION: n-Pentane and n-Hexane belong to a homologous series.

REASON: n-Pentane and n-Hexane belong to the same class of hydrocarbons and they differ by a - $C H_{2}$ - group.

H_{2}

H e

(1 + \frac{P b}{R T})

H_{2}

H e

{2n}^{2}

Assertion: Be and Al have similar properties.

Reason: $B e^{2 +}$ and $A l^{3 +}$ have nearly the same charge/volume ratios and similar polarising power.

{SiO}_{2}

{CaCO}_{3}

CaO

{CaCO}_{3}

{SiO}_{2}

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