Question

Answer the following Questions 1. What is the correct name for the following compound? I " (CHCHCHCO MẠCH, a. 2-methyl-4-hexanone bb. 5-methyl-3-hexanone c. 2-methyl-3-hexanone d. ethyl isopropyl ketonel. 2. Which of the following statements is incorrect regarding the compound propanal. a. The carbonyl carbon is sp-hybridized b. In solution propanal is in equilibrium with l-propen-1-ol cc. The carbonyl carbon is susceptible to electrophilic attack d. The carbonyl oxygen is readily protonated by a Bristed acid e. The carbonyl carbon is susceptible to nucleophilic attack 3. It is desired to effect a reduction of 5-phenyl-4- penten-2-one to 5-phenyl-4-penten-2-ol. Which of the following well known reducing agents (choices A through E) should be employed? a. hydrogen over a platinum catalyst b. zinc amalgam and HCI cc. sodium borohydride d. ethylenedithiol/HCI, then hydrogen and Raney nickel e. lithium and ammonia Which is the correct name for a b propylone propanal propeneone propanone c dd CH3-CH-CH3 O CH Which is the correct name for b 3-methylbutan-2-one 3-methylpropanone -methylbutan-3-one 2-methylbutanong C 2 d

Answer 1

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47 CH CH 0 11 CH 5-methyl hexan-3-one 0 5-methyl3- hexanone Option (b) is coadect a The carbonyl Cartbon is adlatchey totth mone ereciro gegartive 0- atom Thais ohy the carbony! Caurzbon et's change Hence Nuc eophi les corl) attaek the move easily a perz tiau PDsitive Canbonyl canhon electrophiles can't But attack the carthony cartbon atom. Option C) The carrbonyl Carbon SUsceptible 1s is incomnect to electoophilic attack

Grenenally NaBHY 08 Socium boag pone is used to red vce Ketone toalcohol Co5 NaBHy .option ) Sodivm s coaect CHB Proopanone Option CD) is comect 3 2 C CH-CH3 1 CH3 0 3-methyl-a- butanone 3-methylbul a n-a-on e ta) !.option ra) is co00ect