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No, the R- represents a generic carbon group and the R group can be any size in length. X represents a halogen.

for example:

R-OH can be CH3CH2OH, (CH3)3COH, CH3CH=CH-OH <---There is a infinite amount of possibilities for the carbon group of which R stand for. However, the size of the R group doesn't matter the only thing that matters is that its a carbon to something bond.

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15y ago

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