Carbocation

Q. Is ortho effect applicable for phenol and aniline? What compounds is ortho effect not applicable in?

Q. 37. Among the following the dissociation constant is highest for (1) C6H5OH (2) C6H5CH2OH (3) CH3triple bond CH (4) CH3NH3+ Cl-

Q. Which one of the following carbocation is most stable?

1. 
2. 
3. 
4. 

Q. The total number of contributing structures showing hyperconjugation (involving C-H bonds) for the following carbocation is

1. 6
2. 3
3. 8
4. 2

Q. The order stability of the following carbocations:

1. III > II > I
2. II > III > I
3. I > II > III
4. III > I > II