What is te symble of ethanol?
To correct your English Grammar. It is NOT symble' , but 'symbol'
Secondly for a chemical substance it is the FORMULA.
Symbols are only given to elements in the Periodic Table.
So the equation should read ' What is the chemical formula for ethanol?'
Answer: CH3CH2OH
Sometimes shortened to C2H5OH , but NEVER 'C2H6O' nor 'C2OH6'.
NB
Carbon's symbol is 'C'
Hydrogen's symbol is 'H'
Oxygen's symbol is 'O'.
Combined together as the substance 'ethanol', they have the Formula of CH3CH2OH .