………can be prepared by addition reaction of alkenes and alkynes .
a) Alkane
b) Cycloalkane
c) both a & b
d) none of these
Alkanes and cycloalkanes can be prepared by reduction from ……..
a) alkyle halides
b) alkynes
c) alkene
d) all of these
The reaction in which an atom or group of atoms are added to a compound that has a double or triple bond is called ………
a) reduction reaction
b) addition reaction
c) combustion reaction
d) substitutionreaction
……… means addition of hydrogen to alkene or alkyne.
a) hydrogenation
b) halogenation
c) addition
d) substration
In hydrogenation reaction, the unsaturated hydrocarbon are converted into …….. hydrocarbons.
a) unsaturated
b) saturated
c) both a & b
d) none of these
Hydrogenation of alkene and alkyne takes place in the presence of ………as a catalyst.
a) lithium
b) helium
c) nickel
d) xenon
