Question

IUPAC name of the following compound is $\underset{\stackrel{|}{\mathrm{CN}}}{C}{H}_2-\underset{\stackrel{|}{\mathrm{CN}}}{C}H-\underset{\stackrel{|}{\mathrm{CN}}}{C}{H}_2$

• A. 1,2,3,-tricyanopropane
• B. 1,2,3-cyanopropane
• C. 1,2, 3-propanetrinitrile
• D. 3-cyano-l, 5-dinitrile

Answer 1

Answer: (A)

$\underset{1,2,3-\text{tricyanopropane}}{\underset{\stackrel{|}{\mathrm{CN}}}{C}{H}_2-\underset{\stackrel{|}{\mathrm{CN}}}{C}H-\underset{\stackrel{|}{\mathrm{CN}}}{C}{H}_2}$
[According to modem recommendations, if there are more than two same functional groups in a compound, they are not included in the main. Chain and their prefixes are used].