So in this question I had gotten the answer as 5 Transition states, however the official answer key states it to be 6.
Upon digging further for resources I found a reference in Peter Sykes similar to this one.
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$\begingroup$ You should improve your question and give more details about your mental process. I mean what got you to think that your answer is correct. $\endgroup$– PAEPCommented Jul 9 at 10:04
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1$\begingroup$ Ring expansion would not occur in the 4th TS. Instead a hydride shift should take place due to extra resonance. $\endgroup$– The Fright Of The NightCommented Jul 9 at 15:25
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$\begingroup$ Did you consider any other rearrangement than a given ring closer that would give conjugated system with phenyl rings? $\endgroup$– Mathew MahindaratneCommented Jul 10 at 6:03
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