Question

write the IUPAC name of the following?​

Answer 1

Answer:

2,4-dimethly pentan-3-one

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Answer 2

Answer:

2,4 Dimethyl Pentan-3-one

Explanation:

Reasons:

• Longest chain is of 5 carbons so word root is 'Pent-'.

• There are 2 methyl substituents present at 4th and 2nd carbon respectively

• Since there are no double/triple bonds primary suffix will be '-ane' but since 2 vowels can't be together it will be '-an'

• Since Ketone is the main functional group in this compound  the secondary suffix being '-one'.

NOTE

( Secondary Prefix + Primary Prefix + Word Root + 1° suffix + 2° suffix)

( Substituents  + Cyclo/bicyclo + Carbon atom number + saturation(double triple bond)    + Functional group )