Pl expalin this ques. ) n n

isoquinoline is more basic than quinoline. in this we will see the solvation effect as in quinoline the positive charge on the nitrogen is harder to solvate due to steric repulsion...

II is more basic than I. because in case of I N is directly attached to Benzene ring so ring show -R effect while II doesn't -R effect of ring

2nd is more basic. In 1st one lone pair on nitrogen is in conjugation with benzene ring so not available for donation. while in 2nd one lone pair is not directly in conjugation wit...