The formation of 1, 2-Dibromoethane from ethene and bromine is an example of
Substitution
Dehydration
Addition
Dehydrohalogenation
Pentane has the molecular formula C5H12. It has
8 covalent bonds
10 covalent bonds
16 covalent bonds
14 covalent bonds
A gas used for artificial ripening of fruits is
ethyne
ethane
ethylene
ethanol
The organic compound mixed with ethanol to make it spurious is
Methanol
Methanoic acid
Methanal
Ethanoic acid
Commercial ethanol is made unfit for drinking purpose by the addition of
Ethene
Phenol
Toluene
When three molecules of a hydrocarbon are condensed in red hot copper tube at 200oC, we get aromatic compound benzene. The hydrocarbon is
Ethyne
Ethane
Methane
The functional group present in acetic acid is
Hydroxyl ─OH
Aldehydic ─CHO
Carboxyl ─COOH
The property of carbon to form long chains and rings is called
Catenation
Polymerisation
Cracking
Hydrogenation
When acetic acid and ethyl alcohol are heated in the presence of a few drops of dilute sulphuric acid, predict the smell that is expected
No smell
Pungent smell
Rotten egg smell
Fruity smell
Alkenes are the homologous hydrocarbons series of
saturated
unsaturated
Supersaturated
None of the above