Module 17: Alcohols, Phenols and Ethers | CHEM 1152K, Study notes of Chemistry

Download Module 17: Alcohols, Phenols and Ethers | CHEM 1152K and more Study notes Chemistry in PDF only on Docsity! Homework db What is the functional group of (a) alcohols, (b) phenols, (c) ethers, and (d) thiols? A) hydroxy! group (0%) Cd aly] €o) b.) hydroxyl grove d) Su lehyd r gl Csi) 2) How are alcohols classified? Give an example (name AND structural formula) to illustrate each of the classes of alcohols. Ol, U" Cgines), 2° Cseatend), eat 3° Cle Hong) tf v -ol S Fhanal Progun-2- ol 2 mata gents 7 ol ot dls - & -8F CHS CH -o# ; cha -olt- CHS cd 3 2) What is the difference between alcohols and phenols? Give structural examples of each. henolS ae Stonger acids apd obsselves m apkeots Nall o ’ o oo SS—c4 Pw a 4 How does the structure of alcohols affect their physical properties? O ate ” 44 seo lar in nature due to ty electra raga try behwen C ancl atoms nee Phuehine tO Goetber Oe Ho abers cepa by an allyl @ acyl gore Bet stuetre — GPlmp 4) How does the structure of ethers affect their physical properties? Ets , Ile alechelS gre stmiliee on Strachire be water \ KH ahoms are replaced by an allégl o acyl FOP pent Shuctere Gack Pe fs v 5) How do alcohols and phenols react with an oxidizing reagent such as acidic poeiciach oped ern dichromate? apent Phenels can't be ovrd ized, whl? — aleghglS Vary ool e ces, Fully based Oo lasd™ Prac Gan o¥idege te Ahdeky F / 29 a te Lhe Seong © ebb, and Fewer y Cannot ox etre. ac ra  6) Explain why alcohols have higher boiling points than ethers of similar molar mass and why alcohols are more soluble in water than ethers of similar molar mass. 7 ~ Hainly ole Yee of granp alles alcatel mnleaules io SAH on H bay _ ttan'y We alcohols wer bur oe fewte C arms ce 0 selule becnuee Hey can 4H boning th nd mleles while alters cart 7) Using structural formulas, give a general chemical equation describing: a) Dehydration of an alcohol to give an alkene Hoof \ a“ { 1 Hisot 2¢ +210 | tote ae ore TM 1 b) Dehydration of an alcoho! to give an ether Wermey alcohol” FF Ce%monel) gst Cg eHe —0-CHz CHs +H.0 2 CH3CW2 OK “Hoe ener el detry) ether) te aed c) Oxidation of primary alcohols Carbory 0 Praory areovol Alderyde HzO. —aaldehy’ hydrate Cet g-¢% { Z- Cheoh Tos, e-cLy, Hee ou ~ou 4) Oxidation of secondary alcohols €- Gon | \, Be Simo ' e) Oxidation of tertiary alcohols ectians fesistontk to oxdobon Ye of ro Grbine CR 8) Complete problem 13.41 on text page 500. aj Prony alcohol = 1° one aley) grr AHackeAy C. bordel ty ahydroryl grour Steordery Aleobol= 3° |" tigg ww 7 tertiory alcohol” 2%, free 1 now i \ OK by prmary y Betondery f) tee ory 0 so Secondary C) primary e> primary 9) Completeproblem 13.46 on text page 501. vee rou sa ing due & BS glycerol soluble in water Ye it wndergoes extensie intermoleculor hyskogen bending 5 co presence g Hwee -OH group) beck i$ nonpolar molecule and Here ‘S polar eolwes Mike Ly) butane ig inéoluble in water bf a utane i Sonerarediiol, Soluble in Wao We Ft undergoes hydrogen bonding duc fo presence of cyh 3 o7 too —OH groups aw gc es “L- 10) Complete problem 13.56 on text page 502. Ke . CH —0- Hs CHg- CH, —0# Si di mety! ether ethono! CH3— Ce — 2 4 aac 77C “4 . ~ H- 6- ch, - CHs