Question

EXPLANATION ABOUT LOWEST SUM RULE

Answer 1

Lowest sum rule comes when u need to give names to the compounds. when the functional group are of same priority and is connected to a long chain carbon compound, then this rule comes into play. For example C-CBr- C-C-C.

Answer 2

Answer:

lowest sum rule is used whenever there are more than one substituents present on the carbon chain. This rule states that substituent should get lowest possible number. It means Numbering is done is such a way that the branched carbon atoms get the lowest possible numbers