(couleur) grey (Grande-Bretagne) , gray (USA) il fait gris it's a dull day, it's a grey day. faire grise mine to look morose. faire grise mine Ã  qn to give sb a cool reception.
In electrophilic aromatic substitution, the benzene ring acts as an electron donor (Lewis base or nucleophile) and reacts with an electron acceptor (Lewis acid or electrophile). The result of electrophilic aromatic substitution reactions is that an aromatic hydrogen is replaced by some other atom or functional group.
Â· just now. 1  This Site Might Help You. RE: 2  Both FAD (FADH) and NAD (NADH) are electron carriers. (the addition of the H only means that the original from, say NAD, was reduced and gained an electron). 3  Nadh Stands For. Source(s): https://shorte.im/a9x08. 4  A FAD is known for being involved in the Electron transport chain.