MolSynapsequestion bank

MolSynapse / Question bank / IUPAC Nomenclature and Structural Isomerism / Nomenclature of bicyclic, spiro and aromatic compounds

JEE Main levelSingle correct optionDifficulty 2 of 3nm130

How many carbon atoms are in 6,6-dimethylspiro[3.5]nonane?

A10
B12
C11
D9

Answer: C

The parent spiro[3.5]nonane has 3 + 5 + 1 = 9 ring carbons. Two methyl substituents add 2 carbons: 9 + 2 = 11.

Practice IUPAC Nomenclature and Structural Isomerism More on Nomenclature of bicyclic, spiro and aromatic compounds

Previous questionNext question

More questions on Nomenclature of bicyclic, spiro and aromatic compounds

The compound OHC-C6H4-OH (groups para) is correctly named JEE Main level
In naphthalene, the alpha positions and the compound beta-naphthol are respectively JEE Main level
The molecular formula of bicyclo[4.4.0]decane is JEE Main level
Select the correct statements about bicyclo[3.2.1]octane. JEE Main level
Each name below describes a specific compound. Select the names that are written correctly (lowest locants, alphabetical order, correct prin... JEE Main level
Using DU = (2C + 2 + N - H - X)/2, find the degree of unsaturation of 1-nitronaphthalene, C10H7NO2. Give the answer as an integer. JEE Main level