38² F2 CH Ac TH Cl Be UO NO S 1s G Pr b H G 17 C Sc G 5 o M Question 19 of 48 Provide the IUPAC name for the condensed structural formula shown here. CH3 CH3-CH-CH₂-CH₂-CH3 2-methyl but ane 2- 4- 5- 3- tert- iso neo #3 80 F3 E $ 4 a F4 R % 5 9 F5 T X sec- pent but hex eth prop meth yl ene yne F6 6 Y & 7 8 F7 Ak U * 00 8 DII FB 1 ( 9 0 ) 0 A F10 P Ba F11

Chemistry: Matter and Change
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Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
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Chapter21: Hydrocarbons
Section: Chapter Questions
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**Provide the IUPAC Name for the Condensed Structural Formula**

### Question 19 of 48

**Prompt:**
Provide the IUPAC name for the condensed structural formula shown here.

**Structural Formula:**
```
            CH₃
            │
CH₃—CH—CH₂—CH₂—CH₃
```

**Answer:**
2-methylbutane

Below the structural formula, there are several word fragments which can be used to form the IUPAC name for the compound. These include:

- Number fragments: 2, 4, 5, 3
- Prefixes for carbon chain lengths: sec-, tert-, iso-, neo-
- Root words for carbon chain lengths: pent, but, hex, eth, prop, meth
- Suffixes for hydrocarbon types: yl, ene, yne

### Explanation:
The provided structural formula represents a branched alkane. The parent chain consists of four carbon atoms (butane), and there is a methyl group (CH₃) attached to the second carbon atom of the parent chain. Therefore, the IUPAC name for this compound is 2-methylbutane.
Transcribed Image Text:**Provide the IUPAC Name for the Condensed Structural Formula** ### Question 19 of 48 **Prompt:** Provide the IUPAC name for the condensed structural formula shown here. **Structural Formula:** ``` CH₃ │ CH₃—CH—CH₂—CH₂—CH₃ ``` **Answer:** 2-methylbutane Below the structural formula, there are several word fragments which can be used to form the IUPAC name for the compound. These include: - Number fragments: 2, 4, 5, 3 - Prefixes for carbon chain lengths: sec-, tert-, iso-, neo- - Root words for carbon chain lengths: pent, but, hex, eth, prop, meth - Suffixes for hydrocarbon types: yl, ene, yne ### Explanation: The provided structural formula represents a branched alkane. The parent chain consists of four carbon atoms (butane), and there is a methyl group (CH₃) attached to the second carbon atom of the parent chain. Therefore, the IUPAC name for this compound is 2-methylbutane.
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