Identify each step as initiation, propagation or termination a CH_3 CH_2 + Br middot rightarrow CH_2 CH_2 middot + HBr b. Br_2 heat/rightarrow 2Br middot c. Br middot + Br middot rightarrow Br_2 d. CH_3 CH_2 middot + CH_3 CH_2 middot rightarrow CH_3 CH_2 CH_2 CH_2 e. Br middot + CH_3 CH_2 middot rightarrow CH_2 CH_2 Br f. CH_2 CH_2 middot + Br_2 rightarrow CH_3 CH_3 + Br middot A) initiation = b: propagation = a. f: termination = c. d, e B) initiation = a, f propagation = c d e: termination = b C) initiation = b: propagation = c, d e: termination = a f D) initiation = b: propagation = a c g: termination = d e, f E) initiation = c d, e propagation = b: termination = a f Which of the following reagents is the best choice for oxidizing a primary alcohol to an aldehyde? A) LiAlH_4 B) H_2 CrO_4 C) pyridinium chlorochromate D) KMnO_4 F) Na_2 Cr_2 O_7, H_2 SO_4 What metal do Grignard reagents contain? A) palladium B) magnesium C) ruthenium D) lithium E) copper What is the product of the following reaction? CH_3 CH_2 Br + (CH_3 CH_2 CH_2)_2 CuLi rightarrow A) CH_3 CH_2 CH_3 B)CH_3 CH_2 CH_2 CH_2 CH_3 C) CH_3 CH_2 CH_2 CH_2 CH_2 CH_3 D) CH_3 CH_2 CH_2 CH_2 CH_2 CH_2 CH_3 E)CH_3 CH_2 CH_2 CH_3