Question

How do you find -ch2 units in homogenous series of alkenes?

Answer 1

$\huge\red{Assalamualykum}$

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$\huge\green{General formula of alkene :-}$

CnH2n

Now ........

Ur question is how to find CH2 units in homologus series of alkene

So .........

Just put value of n , n is number of Carbon atoms

If there are 2 Carbon atoms then n = 2 , put this in general formula of alkene

C(2)H2(2)

C2H4

In this way you can find out homologus series

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$\huge\blue{INSHALLAH it will help U}$