Question

please answer the question which is underlined

will be mark as brainliest

Answer 1

only 1 ch2 unit is there

Answer 2

$\huge\green{As-Salamu-Alykum}$


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First one is C3H8 its name is $\huge\red{propane }$, It has only one CH2 unit .


H3C_CH2_CH3


Second one is C3H6 , it is $\huge\blue{Propene}$ as it has a double bond and has 3 Carbon .


It has only one CH2 unit


H3C_CH=CH2 .



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