Molecules: General formula. (n represents the number of carbon atoms in chain)
1. Aldehydes: CnH2nO
2. Carboxylic acids: CnH2nO2
3. Cycloalkanes: CnH2n
4. Alkanes: CnH2n+2
Which of the above matching is correct? Choose from the options given below:1
1 and 2 only
2
1 and 4 only
3
1, 2 and 4 only
4
All are correct