Alkenes are the homologous hydrocarbons series of
saturated
unsaturated
Supersaturated
None of the above
Pentane has the molecular formula C5H12. It has
8 covalent bonds
10 covalent bonds
16 covalent bonds
14 covalent bonds
The formation of 1, 2-Dibromoethane from ethene and bromine is an example of
Substitution
Dehydration
Addition
Dehydrohalogenation
A gas used for artificial ripening of fruits is
ethyne
ethane
ethylene
ethanol
Which organic acid is used for coagulating rubber from latex?
Acetic acid
Oxalic acid
Citric acid
Malic acid
When three molecules of a hydrocarbon are condensed in red hot copper tube at 200oC, we get aromatic compound benzene. The hydrocarbon is
Ethene
Ethyne
Ethane
Methane
The first member of alkene family is
ethene
propyne
Which of the following does not belong to the same homologous series?
CH4
C2H6
C3H8
C3H6
Enzyme present in yeast turns glucose to ethanol is
zymase
diastase
pectinase
glucanase