What is the formula for representing alkenes?
CnH2n+2
CnH2n
CnH2n-2
CnH2n-3
Which hydrocarbon is used as a starting material for the manufacture of PVC?
Ethylene
Ethane
Acetylene
Propylene
What is the formula for alkanes?
Which of the following is formed when electrolysis of potassium succinate?
Methane
Acetyle
Ethene