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A ketone has molar mass 86. Which of the...

A ketone has molar mass 86. Which of the following cannot be `IUPAC ` name of this ketone ?

A

`2-`pentanone

B

`2-`methyl butanone

C

`3-`Methyl butanone

D

`3-`pentanone

Text Solution

Verified by Experts

The correct Answer is:
b
All other `(a),(b)` and `(c)` are correct `IUPAC` names and have molar mass of 86. Although, `(d)` has miolar mass 86, the name is incorrect as per `IUPAC` convention`:`

`2-`methyl butanone `(` wrong `IUPAC` name `)`
`3-`methuyl butanone `(` correct `IUPAC ` name `)`
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