MCQ
The $IUPAC$ name of neopentane is :-
- A$2$ -Methyl propane
- B$2, 2$ -Dimethyl butane
- C$2$ -Methyl butane
- ✓$2, 2$ -Dimethyl propane
✓
Answer
Correct option: D.
$2, 2$ -Dimethyl propane
d
The IUPAC name of neopentane is $2,2-$ dimethylpropane.
The IUPAC name of neopentane is $2,2-$ dimethylpropane.
Neopentane has 5 carbon atoms in total. 4 Carbon atoms are attached to 1 atom. Thus, the longest chain has $3 \mathrm{C}$ atoms, where the second atom has 2 methyl groups.
Hence, the correct option is $\mathrm{D}$
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