Organic reactions proceed through various intermediates

What are reaction intermediates? What are the different types of reaction intermediates?

Can an intermediate appear as a reactant in the first step of a reaction mechanism?

Four organic reactions are given below:A CH3CH 3 oCH2 CH 2 + H 2B nCH2 CH 2 o( CH 2 CH 2 ) nC CH2 CH 2 + HBr oCH 3CH 2BrD CH3CH 2Br + H 2O oCH 3CH 2OH + HBr(a) Which reaction is a substitution reaction?(1)ABCD(b) Which reaction is an electrophilic addition reaction?(1)ABCD(c) Which reaction involves initial attack by a nucleophile?(1)ABCD(d) Which reaction requires an initiator?(1)ABCD(Total for Question 11 = 4 marks)www.dynamicpapers.com

Of the two main metabolic pathways, which chemical reaction results in the breakdown of more complex organic molecules into simpler substances?Group of answer choicesanabolismcatabolism

WRITE ALL THE ORGANIC NAME REACTIONS