Question

scrie cate o ecuatie a reactiei prin care sa demonstrati importanta practica a substantelor:
a)metan
b)but-1,3-diena
c)acetilina
d)benzen
e)etanol
f)anilina

Answer 1

CH4 + 2 O2 => CO2 + 2 H2O + Q 
CH2=CH-CH=CH2 (polimerizare) => (-CH2-CH=CH-CH2-)n
C2H2 + HCl => CH2=CH-Cl (polimerizare) => PVC
C6H6 + CH2=CH => C6H5-CH2-CH3 (-H2) => C6H5-CH=CH2 (polimerizare) => polistiren
CH3-CH2-OH + 7/2 O2 => 2 CO2 + 3 H2O + Q
C6H5-NH2 + H2SO4 => H2N-C6H4-SO3H