QUESTION 27 Which isomer of dibenzalacetone has the largest absorptivity? E,E E,Z Z,E Z,Z

Question

Question

QUESTION 27

Which isomer of dibenzalacetone has the largest absorptivity?

Answer 1

Answer #1

E,E dibenzalacetone having more extented conjugation because of trans double bonds have the largest absorptivity.

In trans double bond morre conjugation is possible. Therefore largest absorptivity.

Answer 2

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