The chemistry of hot hydrogen atoms with 1–3 eV energy and of excited radicals

CONTENTS
I. Introduction 202
II. Formation of hot hydrogen atoms during photolysis of HI and HBr, and their reactions 202
III. Formation and reactions of excited radicals obtained by photolysis of alkyl halides and other compounds 204
IV. Formation of vibrationally excited alkyl radicals by the addition of atomic hydrogen to alkenes 205
V. Reactions between hot H* atoms obtained by photolysis of HI and ethylene 205