Electrophilic addition to alkenes takes the following general form: nuc: = nucleophile E+ = electrophile. Electrophilic addition to alkenes starts with the pi electrons attacking an electrophile, forming a carbocation on the most stable carbon.A nucleophile then attacks the carbocation to form the product. There are many different kinds of such addition, including:lectrophilic addition to alkenes takes the following general form: nuc: = nucleophile E+ = electrophile. Electrophilic addition to alkenes starts with the pi electrons attacking an electrophile, forming a carbocation on the most stable carbon.
Selective auditory attention or selective hearing is a type of selective attention and involves the auditory system of the nervous system.
A hearing, along with notice, is a fundamental part of procedural due process. Hearings are also held, as for example by a legislature or an administrative agency, for the purpose of gathering information and hearing the testimony of witnesses. administrative hearing : a hearing conducted by an official (as an administrative law judge) or a body (as a review board) of an administrative agency regarding an agency action and esp. an action under dispute