3.
alchena -- ena
alcool -- ol
Alcan -- an
Alchina -- ina
4.
de pozitie
CH3-CH2-CH2-CH2-CH2-CH2-OH, 1-hexanol
CH3-CH2-CH2-CH2-CH-CH3, 2-hexanol
OH
de catena
CH3-CH-CH2-CH2-CH2-OH, 4-metil-1-pentanol
CH3
CH3-CH2-CH-CH2-CH2-OH, 3-metil-1-pentanol
CH3
5.
md g 0,3 moli
NaOH + OHC6H5 --> NaOC6H5 + H2O
40 1
=> md = 40x0,3/1 = 12 g NaOH
c% = mdx100/ms => ms = mdx100/c%
= 12x100/10 = 120 g sol. NaOH
6.
0,2 moli 0,6 moli
CnH2n+2 + (3n+1)/2O2 --> nCO2 + (n+1)H2O
1 n+1
=> n+1 = 1x0,6/0,2 = 3 => n = 2
alcan = C2H2 => CH3-CH3
obtinerea de solvent si anestezic
