ONNO,1-Chloro-2,4-dinitrobenzene(not 4-chloro, 1,3-dinitrobenzene.why?

1.	ONNO,1-Chloro-2,4-dinitrobenzene(not 4-chloro, 1,3-dinitrobenzene.why?
Answer» Answer: it is because in the FIRST CASE the sum of locants is 7 while in second place the sum of locants is 8 so LESS locant sum is preferred

Answer»

Answer: it is because in the FIRST CASE the sum of locants is 7 while in second place the sum of locants is 8 so LESS locant sum is preferred

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