how-do-alkyl-oxochromic-groups-affect-the-lambda-max-of-a-conjugated-system-acco

Question

How do alkyl oxochromic groups affect the lambda max of a conjugated system according to the Woodward-Fieser rules?

Accepted Answer

They increase the lambda max by 5 nm

Answer

They have no effect on the lambda max

Answer

They decrease the lambda max by 10 nm

Answer

They decrease the lambda max by 5 nm