Magic Number Trick for chain isomerism and position isomerism :# Magic no. =different then it is chain isomerism
#magic no. = same then it is position isomerism
How we find magic no. Follow the below steps :
1.) First write down the no. Of carbon in parent chain
2.) Then write no. Of branch of carbon
Like this👇
"XY"
Where 'X' represent no. Of carbon in parent chain and 'Y' represent no. Of branch of carbon .
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