| 1. | Hexane-2−one and Hexane−3−one | Position isomers. | 
| 2. | Pentane − 3− one and Pentane−2−one | Functional isomers. | 
| 3. | 2−Pentene and 1−Pentene | Metamers. | 
| 4. | Pentanoic acid and Hexanoic acid | Functional isomers. | 
 
 
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| Statement I: | Methylcyclopentane and hex-3-ene are isomeric compounds. | 
| Statement II: | 1-Aminopentane and N-ethylpropylamine are functional isomers. | 
| 1. | Both Statement I and Statement II are false. | 
| 2. | Both Statement I and Statement II are true. | 
| 3. | Statement I is true but Statement II is false. | 
| 4. | Statement I is false but Statement II is true. |