What is the IUPAC name for the following molecule? a. 6-Chloro-3, 5-diethylhelpt

Question

What is the IUPAC name for the following molecule? a. 6-Chloro-3, 5-diethylhelptanoic acid b. 6-Chloro-3, 5-diethyloctanoic acid c. 3-Chloro-4, 6-diethylheptanoic acid d. 1-Chloro-1, 3, 5-trilethyloctanoic acid e. 3-Chloro-4, 6-diethyloctanoic acid What is the IUPAC name for the following molecule? a. 6-Cyano-3-methylpentanoic acid b. 1-Cyano-4-methylhexanoate c. 5-Cyano-3-methylpentanoic acid d. 5-Nitro-3-methylpentanoic acid e. 1-Cyano-4-methylhexanoic acid Which of the following transition states is/are forbidden? a. IV only b. III and IV c. I and III d. II and IV e. III only Which of the following steps could be found in an S_ 1 mechanism? a. I b. IV c. II d. V e. III

Explanation / Answer

8. answer: b

Naming of Organic compounds

    name consist of Five Parts

1. Word root : No of c-atoms present in longest c-chains

2. Primary suffix : indicates molecule is saturated/un-saturated

3. Secondary suffix : indicates presence of Functional group

4. Primary Preffix : indicates molecule is cyclic/acyclic = 'cyclo'

5. Secondary Preffix : indicates presence of substituent

                  P.S + P.P + Word Root + P.S + S.S

1. Word root : oct

2. Primary suffix : ane

3. Secondary suffix : oicacid

4. Primary Preffix : not cyclic , no p.p

5. Secondary Preffix : 6-chloro-3,5-diethyl

name : 6-chloro-3,5-diethyloctanoicacid

9. answer: a

10. answer: c. iii only

11. answer: e.iii

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