Question

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7) What is the IUPAC name for the following compound? CHз CI 5 1 CH3-CH-C-CH= CH 5 CHз CHнз A) 3-chloro-1,3,4-trimethyl-1 - penterte B) 4-chloro-4,5-dimethyl-2-hexene C) 3-chloro-1,3,4,4- tetramethyl -1 -butene 3-chloro-2,3,5-trimethyl-4-pentene E) 3-chloro-2,3-dimethyl-4-hexene

Answer 1

② Answer: B CH3 al Ertz-cu-to-CH=CH CH3CHE IUPAC Name : (B) u-chloro-ui5-dimethyl- 2- hexie ne guidelines! o long carbon chain has six carbon atoms, so it is called as "hex" one methyl group present at uth position of Carbon chain another methyl group present at 5th position of carbon chain. chlorine atom present at uth position of carbon chain. o alkene group present at second position of long carbon chain, so it is called as herenie. TUPAC name of compound is "U- chloro -415- dimethyl-2-hexene"

CHECHE CH= ella luenc rene: (E) Havebyl-1 trutyne o long Corbea chain hos alkyne group present at chain , so it is called sive carbon externs canel first position at cochon as Apentyne" position of methyl group present at third Carbono 'chain tense lune home of command “3-methyl- |- pentyne" is © Answer: (e) CH₂ - CH₂ - CH3 IUPAC name! (E) 2 - butanone long common chain has four carbon alans so it is called as "buste © 'Ke.to" groep pursene con Secome pasilicom o Carber chain and it is called as "one" hence LUPAC name of compound is " butenone

Aneuen CH SCH, -CH=CH 2 CH3 CH2 - CH2 Tome hame! (E) 2,2,4-trimethylhenone Juidelihat long carbon chain has sin carbon atoms and H is called ar "hent 4.480 methyl group's present at Second position of carbon choin and one methyl group present ot fourth position of carbon chain.' hense (UPAC name it Compound is "212,4 - Erimethyl hernane