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Which of the following IUPAC name is cor...

Which of the following `IUPAC` name is correct ?

A

(1) `2`-Methyl-`3`-ethylpentane

B

(2) `3`-Ethyl-`2`-methylpentane

C

(3) `2`-Ethyl-`3`-methylpentane

D

(4) `3`-Methyl-`2`-ethylpentane

Text Solution

Verified by Experts

The correct Answer is:
B
In compound (1), the names of the alkyl group are not listed alphabetically. Both the compounds (3) and (4) should be named as:
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R SHARMA-NOMENCLATURE OF ORGANIC COMPOUNDS-Archives
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  2. The IUPAC name of (CH(3))2)CHCH(2)CH(2)Br is

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  3. The IUPAC name of CH(3)-overset(OH)underset(CH(3))underset(|)overset...

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  4. The IUPAC name of CH(3)-overset(CH(3))overset(|)(CH)-overset(O)overset...

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  5. Which of the following represents the systematic name of the compound ...

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  6. The IUPAC name of the compound CH(3)CH=CHCH(2)underset(NH(2))underse...

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  7. The IUPAC name of (CH(3))(3) C - CH = CH(2) is:

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  8. Which of the following IUPAC name is correct ?

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  9. The IUPAC name of the compound CH(3)-underset(CH(3))underset(|)(C)-u...

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  10. The IUPAC name of CH(3)-underset(OH)underset(|)(CH)-CH=underset(CH(3...

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  11. 2-Methylbut-2-ene will be represented as

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  12. An sp^(3) hybrid orbital possesses

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  13. Which of the following molecules has the shortest carbon-carbon bond ?

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  14. Which of the following molecules possesses only one pi bond ?

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  15. Which of the following compounds contains more than one kind of hybrid...

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  16. When the hybridization state of a carbon atom changes from sp^(3) to s...

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  17. In the straight-chain hydrocarbon C(8)H(10), the C atoms beginning fro...

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  18. Among the molecules of ethane, ethylene, and acetylene, the C-H bond e...

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  19. Which of the following hydrocarbon groups designated as I,II,III,Iv, a...

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  20. In which of the following hybridizations does the interorbital angle h...

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