Chlorinated pesticides are used in agriculture to release free chlorine radical. The chlorine free radical decomposes to gives oxygen.The density of ozone layer is decreases form holes in the ozone layer.
Cl* + O3 -----------> ClO* + O2
Why have we discontinued use and/or made it illegal to use DDT and other halogenated pesticides...
8) Using benzene and any other reagents or catalysts, devise grcaction to casily synthesize the following molecule: (20 pt.) CH3 -с-сн, CH3 9) Why have we discontinued use and/or made it illegal to use DDT and other halogenated pesticides in the United States? (10 pt.) 10) Predict the products for the following reactions: (20 pt.) a) (Spts.) FeBr3 - CH2- CH3 Br2 b) (5 pts.) ??? CH-C CH-CH HCI CH3 (5 pts.) ??? PEROXIDES - CHCH3 HCI CH3—С- CH3 (5...
why have we discontinued use and/or made it illegal to use DDT and other halogenated pesticides in the United States? (10 pt.) 10)
Why have we discontinued use and/or made it illegal to use DDT and other halogenated pesticides in the United States? (10 pt.)
name the products of the following reactions. ORGANIC
PRODUCTS
add notes Name the products for the following reactions I am focusing mostly on organic products.... a) (Spts) Road dloud FeBrz -CH2-CH3 + Br2 - A Tajem b) (5pts.) ??? CHz-ç=CH-CH3 + HCI CH3 c) (3 pts) CH3-Ç=CH-CH3 CH3 + HCI PEROXIDES, ? d) (5 pts) CH3-CH2-C=c-CH2-CH3 + H, Pt, Pd, OR NI
Question 9.27, 9.30 Choose one reagent from the Table to carry out the following conversions. Use letters from the table to specify reagents. Reagents КMnO,/ Н,о* O3 d 1. Br2 g a 2. KOH in ethanol H2/ Lindlar catalyst hr H20/ H2SO4/ HgSO4 е 1. NaNH2 in NH3 2. CH3Br Li in NH3 1 equiv Br2 f 1. BH3 in THF C 2. H202 in NaOH a) CHACH,сH,сH,CECH CHн-CH-CH-CH2CH-CH CHз b) сHa-CHa-CEс-сн, CH3CH2 The following synthesis requires more than one...
17. Use ANY needed reagents to effect the following transformation. (30 points) starting material product List of Reagents -N:C:N- KMnO4, H2SO4 8 00 (CH3),COCOCOC(CH3)3 Ag(NH3)2+, 120 Fe, HCI KMnO4, NaOH, H2O, cold AlCl3 Bra (excess), NaOH (excess), H20 Brz, Fe Br2, H20 Br2, H2O, H3O+ Br2, hy Br2, NaOH (excess), H2O Br2, P Buli CF3CO,H CH;=0 Formaldehyde оо CH3COCCH o CH_CC1, pyridine H2, Lindlar's catalyst H2.Pd/C H2, Pa/C, high pressure H, Raney-Ni HANNH HENNH, KOH, (HOCH2CH2)20, heat H2O H20, H2SO4,...
18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of all proton resonances (8 pts). Calculate the Unsaturation Index of each compound (4 pts) (30 points total) 30 Unsat. Index = (2C+2-H-X+NY2 = 200 25 e = 2.00 ppm, 4.90 f = 1.27 ppm, 20 720 Compound 18a: C,H,O, singlet, 2H triplet, 3H 127 15 d = 2.66 ppm, a = 7.21 ppm, b = 7.18 ppm, doublet, 2H doublet, 2H C = 4.90...