Q.

The resonance energy of the following compounds

Question Image

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

IV > III > II > I

b

I > II >  III > IV

c

I > III > IV > II.

d

III > IV >  II> I

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

detailed_solution_thumbnail

More the number of fused benzene ring more is the resonance energy. Angularly fused phenanthrene has five canonical forms whereas linearly fused anthracene has only four forms.
Anthrarene :
Question Image
Resonance energy 83 k.cal/mole.
Phenanthrene:
Question Image

Resonance energy 91 k.cal/mol.
 

Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
The resonance energy of the following compounds