MCQ
Graphite is used as dry lubricant because of its
- ✓layer type structure
- B$sp^3$ hybridisation
- Cpresence of dangling bonds
- Dpresence of two types of bond lengths
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Statement $I$: IUPAC name of $\mathrm{HO}-\mathrm{CH}_2-\left(\mathrm{CH}_2\right)_3-$ $\mathrm{CH}_2-\mathrm{COCH}_3$ is $7$-hydroxyheptan-2-one.
Statement $II$: $2$-oxoheptan-$7$-ol is the correct IUPAC name for above compound.In the light of the above statements. choose the most appropriate answer from the options given below:
