MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following compounds does not have an alpha hydrogen? L II. A) I B) II C) III H-C-H H- CH H E III. D) IV E) all of the above 2) Which of the labeled hydrogen atoms in the following structure is the most acidic? IV. cl A) a-chloroethanal B) chloroaldehyde C) 2-chloroethanal 0 0 -CH-C-CH-C-CH, & CH 0 CHC- CH CH B) 2 A) 1 3) What is the common name for the following compound? O || CH-C-H D) B-chloroacetaldehyde E) a-chloroacetaldehyde C) 3 D) 4 E) 5 3)