on cracking petrol we get
(C) on cracking petrol gives smaller Hydrocarbons like CH4,C3H6
Be2C + H2O → BeO + x
CaC2 + H2O → Ca(OH)2 + y
Mg2C3 + H2O → Mg(OH)2 + z.
x,y & z are respectively
CH4 and C2H6 form a homologous series, they differ by: