`a)`
`2C_nH_{2n+1}OH + 2Na → 2C_nH_{2n+1}ONa + H_2`
`n_{H_2} = {1,344}/{22,4} = 0,06(mol)`
`n_{text{ancol}} = 2n_{H_2} = 0,12(mol)`
`M = {7,2}/{0,12} = 60`$(g/mol)$
`M = 14n + 18 = 60`$(g/mol)$
`→ n= 3`
`→` CTPT: `C_3H_7OH`
`b)`
`CH_3-CH_2-CH_2-OH`: propan-1-ol
`CH_3-CH(OH)-CH_3`: propan-2-ol