Question

difference between transitionstate and intermediate state

Answer 1

the difference between the two is that Intermediat is the compound FORMED inbetween the reaction when reatants change into products
and In trasition state there is no such compound formation take place it is just state when reactants bond are breaking and product bonds are forming

Answer 2

this is that case for enols and ketones. Image google "enroll ketone" and you see an intermediate in brackets